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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/183805">183805</a></dd>
<dt>Author</dt> <dd>jfernandez@igalia.com</dd>
<dt>Date</dt> <dd>2015-05-05 08:15:38 -0700 (Tue, 05 May 2015)</dd>
</dl>

<h3>Log Message</h3>
<pre>[CSS Box Alignment] Upgrade align-content parsing to CSS3 Box Alignment spec
https://bugs.webkit.org/show_bug.cgi?id=144443

Reviewed by Darin Adler.

Source/WebCore:

Upgrade the align-content property to the last CSS3 Box
Alignment specification. As it uses a different enumeration for
Positional and Distribution alignment, it implies some changes in
the FlexibleBox implementation.

Test: css3/parse-align-content.html

* css/CSSComputedStyleDeclaration.cpp:
(WebCore::resolveContentAlignmentAuto):
(WebCore::ComputedStyleExtractor::propertyValue):
* css/CSSParser.cpp:
(WebCore::isValidKeywordPropertyAndValue):
(WebCore::isKeywordPropertyID):
(WebCore::CSSParser::parseValue):
* css/CSSPropertyNames.in:
* rendering/RenderFlexibleBox.cpp:
(WebCore::RenderFlexibleBox::layoutAndPlaceChildren):
(WebCore::RenderFlexibleBox::layoutColumnReverse):
(WebCore::initialAlignContentOffset):
(WebCore::alignContentSpaceBetweenChildren):
(WebCore::RenderFlexibleBox::alignFlexLines):
* rendering/style/RenderStyle.cpp:
(WebCore::RenderStyle::resolveContentAlignment):
(WebCore::RenderStyle::resolveContentJustification):
* rendering/style/RenderStyle.h:
* rendering/style/StyleRareNonInheritedData.cpp:
(WebCore::StyleRareNonInheritedData::StyleRareNonInheritedData):
(WebCore::StyleRareNonInheritedData::operator==):
* rendering/style/StyleRareNonInheritedData.h:

LayoutTests:

Tests to verify the align-content parsing logic. The new Box Alignment spec
requires some changes in the flexbox tests.

* css3/flexbox/css-properties-expected.txt:
* css3/flexbox/css-properties.html:
* css3/parse-align-content-expected.txt: Added.
* css3/parse-align-content.html: Added.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestscss3flexboxcsspropertiesexpectedtxt">trunk/LayoutTests/css3/flexbox/css-properties-expected.txt</a></li>
<li><a href="#trunkLayoutTestscss3flexboxcsspropertieshtml">trunk/LayoutTests/css3/flexbox/css-properties.html</a></li>
<li><a href="#trunkLayoutTestscss3parsejustifycontentexpectedtxt">trunk/LayoutTests/css3/parse-justify-content-expected.txt</a></li>
<li><a href="#trunkLayoutTestscss3parsejustifycontenthtml">trunk/LayoutTests/css3/parse-justify-content.html</a></li>
<li><a href="#trunkLayoutTestsfastcssgetComputedStylecomputedstyleexpectedtxt">trunk/LayoutTests/fast/css/getComputedStyle/computed-style-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastcssgetComputedStylecomputedstylewithoutrendererexpectedtxt">trunk/LayoutTests/fast/css/getComputedStyle/computed-style-without-renderer-expected.txt</a></li>
<li><a href="#trunkLayoutTestssvgcssgetComputedStylebasicexpectedtxt">trunk/LayoutTests/svg/css/getComputedStyle-basic-expected.txt</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorecssCSSComputedStyleDeclarationcpp">trunk/Source/WebCore/css/CSSComputedStyleDeclaration.cpp</a></li>
<li><a href="#trunkSourceWebCorecssCSSParsercpp">trunk/Source/WebCore/css/CSSParser.cpp</a></li>
<li><a href="#trunkSourceWebCorecssCSSPropertyNamesin">trunk/Source/WebCore/css/CSSPropertyNames.in</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderFlexibleBoxcpp">trunk/Source/WebCore/rendering/RenderFlexibleBox.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingstyleRenderStylecpp">trunk/Source/WebCore/rendering/style/RenderStyle.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingstyleRenderStyleh">trunk/Source/WebCore/rendering/style/RenderStyle.h</a></li>
<li><a href="#trunkSourceWebCorerenderingstyleStyleRareNonInheritedDatacpp">trunk/Source/WebCore/rendering/style/StyleRareNonInheritedData.cpp</a></li>
<li><a href="#trunkSourceWebCorerenderingstyleStyleRareNonInheritedDatah">trunk/Source/WebCore/rendering/style/StyleRareNonInheritedData.h</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestscss3parsealigncontentexpectedtxt">trunk/LayoutTests/css3/parse-align-content-expected.txt</a></li>
<li><a href="#trunkLayoutTestscss3parsealigncontenthtml">trunk/LayoutTests/css3/parse-align-content.html</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/LayoutTests/ChangeLog        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2015-05-05  Javier Fernandez  &lt;jfernandez@igalia.com&gt;
+
+        [CSS Box Alignment] Upgrade align-content parsing to CSS3 Box Alignment spec
+        https://bugs.webkit.org/show_bug.cgi?id=144443
+
+        Reviewed by Darin Adler.
+
+        Tests to verify the align-content parsing logic. The new Box Alignment spec
+        requires some changes in the flexbox tests.
+
+        * css3/flexbox/css-properties-expected.txt:
+        * css3/flexbox/css-properties.html:
+        * css3/parse-align-content-expected.txt: Added.
+        * css3/parse-align-content.html: Added.
+
</ins><span class="cx"> 2015-05-05  Xabier Rodriguez Calvar  &lt;calvaris@igalia.com&gt; and Youenn Fablet  &lt;youenn.fablet@crf.canon.fr&gt;
</span><span class="cx"> 
</span><span class="cx">         streams/readable-stream.html is very flaky
</span></span></pre></div>
<a id="trunkLayoutTestscss3flexboxcsspropertiesexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/css3/flexbox/css-properties-expected.txt (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/css3/flexbox/css-properties-expected.txt        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/LayoutTests/css3/flexbox/css-properties-expected.txt        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -16,7 +16,7 @@
</span><span class="cx"> PASS flexitem.style.webkitOrder is &quot;0&quot;
</span><span class="cx"> PASS flexitem.style.webkitOrder is &quot;&quot;
</span><span class="cx"> PASS flexbox.style.webkitJustifyContent is &quot;&quot;
</span><del>-PASS window.getComputedStyle(flexbox, null).webkitJustifyContent is &quot;flex-start&quot;
</del><ins>+PASS window.getComputedStyle(flexbox, null).webkitJustifyContent is &quot;stretch&quot;
</ins><span class="cx"> PASS flexbox.style.webkitJustifyContent is &quot;&quot;
</span><span class="cx"> PASS flexbox.style.webkitJustifyContent is &quot;flex-start&quot;
</span><span class="cx"> PASS window.getComputedStyle(flexbox, null).webkitJustifyContent is &quot;flex-start&quot;
</span><span class="lines">@@ -27,7 +27,7 @@
</span><span class="cx"> PASS flexbox.style.webkitJustifyContent is &quot;space-between&quot;
</span><span class="cx"> PASS window.getComputedStyle(flexbox, null).webkitJustifyContent is &quot;space-between&quot;
</span><span class="cx"> PASS flexbox.style.webkitJustifyContent is &quot;&quot;
</span><del>-PASS window.getComputedStyle(flexbox, null).webkitJustifyContent is &quot;flex-start&quot;
</del><ins>+PASS window.getComputedStyle(flexbox, null).webkitJustifyContent is &quot;stretch&quot;
</ins><span class="cx"> PASS flexbox.style.webkitAlignSelf is &quot;&quot;
</span><span class="cx"> PASS window.getComputedStyle(flexbox, null).webkitAlignSelf is &quot;start&quot;
</span><span class="cx"> PASS window.getComputedStyle(document.documentElement, null).webkitAlignSelf is &quot;start&quot;
</span></span></pre></div>
<a id="trunkLayoutTestscss3flexboxcsspropertieshtml"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/css3/flexbox/css-properties.html (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/css3/flexbox/css-properties.html        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/LayoutTests/css3/flexbox/css-properties.html        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -54,8 +54,8 @@
</span><span class="cx"> flexbox.style.display = '-webkit-flex';
</span><span class="cx"> 
</span><span class="cx"> shouldBeEqualToString('flexbox.style.webkitJustifyContent', '');
</span><del>-// The initial value is 'flex-start'.
-shouldBeEqualToString('window.getComputedStyle(flexbox, null).webkitJustifyContent', 'flex-start');
</del><ins>+// The initial value is 'auto' which, will be resolve to 'stretch' for flexbox containes (behaving like 'flex-start' for the justify-content property).
+shouldBeEqualToString('window.getComputedStyle(flexbox, null).webkitJustifyContent', 'stretch');
</ins><span class="cx"> 
</span><span class="cx"> flexbox.style.webkitJustifyContent = 'foo';
</span><span class="cx"> shouldBeEqualToString('flexbox.style.webkitJustifyContent', '');
</span><span class="lines">@@ -78,7 +78,7 @@
</span><span class="cx"> 
</span><span class="cx"> flexbox.style.webkitJustifyContent = '';
</span><span class="cx"> shouldBeEqualToString('flexbox.style.webkitJustifyContent', '');
</span><del>-shouldBeEqualToString('window.getComputedStyle(flexbox, null).webkitJustifyContent', 'flex-start');
</del><ins>+shouldBeEqualToString('window.getComputedStyle(flexbox, null).webkitJustifyContent', 'stretch');
</ins><span class="cx"> 
</span><span class="cx"> shouldBeEqualToString('flexbox.style.webkitAlignSelf', '');
</span><span class="cx"> // The initial value is 'auto', which will be resolved depending on parent's style (except for the 'document' element).
</span><span class="lines">@@ -277,6 +277,8 @@
</span><span class="cx"> }
</span><span class="cx"> shouldBeFalse('foundFlexFlow');
</span><span class="cx"> 
</span><ins>+flexbox.style.display = '-webkit-flex';
+
</ins><span class="cx"> // The initial value is 'stretch'.
</span><span class="cx"> shouldBeEqualToString('flexbox.style.webkitAlignContent', '');
</span><span class="cx"> shouldBeEqualToString('window.getComputedStyle(flexbox, null).webkitAlignContent', 'stretch');
</span></span></pre></div>
<a id="trunkLayoutTestscss3parsealigncontentexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/css3/parse-align-content-expected.txt (0 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/css3/parse-align-content-expected.txt                                (rev 0)
+++ trunk/LayoutTests/css3/parse-align-content-expected.txt        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -0,0 +1,142 @@
</span><ins>+Test that setting and getting align-content works as expected
+
+On success, you will see a series of &quot;PASS&quot; messages, followed by &quot;TEST COMPLETE&quot;.
+
+
+Test getting align-content set through CSS
+PASS getComputedStyle(alignContentAuto, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS getComputedStyle(alignContentBaseline, '').getPropertyValue('align-content') is &quot;baseline&quot;
+PASS getComputedStyle(alignContentLastBaseline, '').getPropertyValue('align-content') is &quot;last-baseline&quot;
+PASS getComputedStyle(alignContentSpaceBetween, '').getPropertyValue('align-content') is &quot;space-between&quot;
+PASS getComputedStyle(alignContentSpaceAround, '').getPropertyValue('align-content') is &quot;space-around&quot;
+PASS getComputedStyle(alignContentSpaceEvenly, '').getPropertyValue('align-content') is &quot;space-evenly&quot;
+PASS getComputedStyle(alignContentStretch, '').getPropertyValue('align-content') is &quot;stretch&quot;
+PASS getComputedStyle(alignContentStart, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS getComputedStyle(alignContentEnd, '').getPropertyValue('align-content') is &quot;end&quot;
+PASS getComputedStyle(alignContentCenter, '').getPropertyValue('align-content') is &quot;center&quot;
+PASS getComputedStyle(alignContentLeft, '').getPropertyValue('align-content') is &quot;left&quot;
+PASS getComputedStyle(alignContentRight, '').getPropertyValue('align-content') is &quot;right&quot;
+PASS getComputedStyle(alignContentFlexStart, '').getPropertyValue('align-content') is &quot;flex-start&quot;
+PASS getComputedStyle(alignContentFlexEnd, '').getPropertyValue('align-content') is &quot;flex-end&quot;
+PASS getComputedStyle(alignContentEndTrue, '').getPropertyValue('align-content') is &quot;end true&quot;
+PASS getComputedStyle(alignContentCenterTrue, '').getPropertyValue('align-content') is &quot;center true&quot;
+PASS getComputedStyle(alignContentRightSafe, '').getPropertyValue('align-content') is &quot;right safe&quot;
+PASS getComputedStyle(alignContentLeftTrue, '').getPropertyValue('align-content') is &quot;left true&quot;
+PASS getComputedStyle(alignContentFlexStartTrue, '').getPropertyValue('align-content') is &quot;flex-start true&quot;
+PASS getComputedStyle(alignContentFlexEndSafe, '').getPropertyValue('align-content') is &quot;flex-end safe&quot;
+PASS getComputedStyle(alignContentSpaceBetweenLeft, '').getPropertyValue('align-content') is &quot;space-between left&quot;
+PASS getComputedStyle(alignContentSpaceAroundCenter, '').getPropertyValue('align-content') is &quot;space-around center&quot;
+PASS getComputedStyle(alignContentSpaceEvenlyRight, '').getPropertyValue('align-content') is &quot;space-evenly right&quot;
+PASS getComputedStyle(alignContentStretchStartSafe, '').getPropertyValue('align-content') is &quot;stretch start safe&quot;
+PASS getComputedStyle(alignContentSpaceAroundEndTrue, '').getPropertyValue('align-content') is &quot;space-around end true&quot;
+PASS getComputedStyle(alignContentSpaceEvenlyFlexStartSafe, '').getPropertyValue('align-content') is &quot;space-evenly flex-start safe&quot;
+PASS getComputedStyle(alignContentSpaceBetweenSafe, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS getComputedStyle(alignContentSpaceBetweenStretch, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS getComputedStyle(alignContentSafe, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS getComputedStyle(alignContentRightSafeTrue, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS getComputedStyle(alignContentCenterLeft, '').getPropertyValue('align-content') is &quot;start&quot;
+
+Test initial value of align-content through JS
+PASS getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+
+Test getting and setting align-content through JS
+PASS element.style.alignContent is &quot;center&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;center&quot;
+PASS element.style.alignContent is &quot;start true&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start true&quot;
+PASS element.style.alignContent is &quot;flex-end safe&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;flex-end safe&quot;
+PASS element.style.alignContent is &quot;space-between right safe&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;space-between right safe&quot;
+PASS element.style.alignContent is &quot;stretch center&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;stretch center&quot;
+PASS element.style.alignContent is &quot;right true&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;right true&quot;
+PASS element.style.alignContent is &quot;auto&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;auto&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;stretch&quot;
+PASS element.style.alignContent is &quot;auto&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;flex-end&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;flex-end&quot;
+
+Test bad combinations of align-content
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+PASS element.style.alignContent is &quot;&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+
+Test the value 'initial'
+PASS element.style.alignContent is &quot;stretch center&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;stretch center&quot;
+PASS element.style.alignContent is &quot;initial&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+
+Test the value 'initial' for grid containers
+PASS element.style.alignContent is &quot;space-between left&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;space-between left&quot;
+PASS element.style.alignContent is &quot;initial&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;start&quot;
+
+Test the value 'initial' for flex containers
+PASS element.style.alignContent is &quot;right true&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;right true&quot;
+PASS element.style.alignContent is &quot;initial&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;stretch&quot;
+
+Test the value 'inherit'
+PASS element.style.alignContent is &quot;end&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;end&quot;
+PASS element.style.alignContent is &quot;inherit&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;end&quot;
+PASS element.style.alignContent is &quot;left safe&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;left safe&quot;
+PASS element.style.alignContent is &quot;inherit&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;left safe&quot;
+PASS element.style.alignContent is &quot;stretch center&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;stretch center&quot;
+PASS element.style.alignContent is &quot;inherit&quot;
+PASS window.getComputedStyle(element, '').getPropertyValue('align-content') is &quot;stretch center&quot;
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
</ins></span></pre></div>
<a id="trunkLayoutTestscss3parsealigncontenthtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/css3/parse-align-content.html (0 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/css3/parse-align-content.html                                (rev 0)
+++ trunk/LayoutTests/css3/parse-align-content.html        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -0,0 +1,360 @@
</span><ins>+&lt;!DOCTYPE html&gt;
+&lt;html&gt;
+&lt;head&gt;
+&lt;style&gt;
+#alignContentAuto {
+    align-content: auto;
+}
+
+#alignContentBaseline {
+    align-content: baseline;
+}
+
+#alignContentLastBaseline {
+    align-content: last-baseline;
+}
+
+#alignContentSpaceBetween {
+    align-content: space-between;
+}
+
+#alignContentSpaceAround {
+    align-content: space-around;
+}
+
+#alignContentSpaceEvenly {
+    align-content: space-evenly;
+}
+
+#alignContentStretch {
+    align-content: stretch;
+}
+
+#alignContentStart {
+    align-content: start;
+}
+
+#alignContentEnd {
+    align-content: end;
+}
+
+#alignContentCenter {
+    align-content: center;
+}
+
+#alignContentLeft {
+    align-content: left;
+}
+
+#alignContentRight {
+    align-content: right;
+}
+
+#alignContentFlexStart {
+    align-content: flex-start;
+}
+
+#alignContentFlexEnd {
+    align-content: flex-end;
+}
+
+#alignContentEndTrue {
+    align-content: end true;
+}
+
+#alignContentCenterTrue {
+    align-content: center true;
+}
+
+#alignContentRightSafe {
+    align-content: right safe;
+}
+
+#alignContentLeftTrue {
+    align-content: left true;
+}
+
+#alignContentFlexStartTrue {
+    align-content: flex-start true;
+}
+
+#alignContentFlexEndSafe {
+    align-content: flex-end safe;
+}
+
+#alignContentSpaceBetweenLeft {
+    align-content: space-between left;
+}
+
+#alignContentSpaceAroundCenter {
+    align-content: space-around center;
+}
+
+#alignContentSpaceEvenlyRight {
+    align-content: space-evenly right;
+}
+
+#alignContentStretchStartSafe {
+    align-content: stretch start safe;
+}
+
+#alignContentSpaceAroundEndTrue {
+    align-content: space-around end true;
+}
+
+#alignContentSpaceEvenlyFlexStartSafe {
+    align-content: space-evenly flex-start safe;
+}
+
+&lt;!-- Invalid CSS cases --&gt;
+#alignContentSpaceBetweenSafe {
+    align-content: space-between safe;
+}
+
+#alignContentSpaceBetweenStretch {
+    align-content: space-between stretch;
+}
+
+#alignContentSafe {
+    align-content: safe;
+}
+
+#alignContentRightSafeTrue {
+    align-content: right safe true;
+}
+
+#alignContentCenterLeft {
+    align-content: center left;
+}
+&lt;/style&gt;
+&lt;script src=&quot;../resources/js-test.js&quot;&gt;&lt;/script&gt;
+&lt;/head&gt;
+&lt;body&gt;
+&lt;div id=&quot;alignContentAuto&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentBaseline&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentLastBaseline&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSpaceBetween&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSpaceAround&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSpaceEvenly&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentStretch&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSpaceBetweenSafe&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSpaceAroundTrue&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentStretchTrue&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentStretchrue&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentStart&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentEnd&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentCenter&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentLeft&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentRight&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentFlexStart&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentFlexEnd&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentEndTrue&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentCenterTrue&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentRightSafe&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentLeftTrue&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentFlexStartTrue&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentFlexEndSafe&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSpaceBetweenLeft&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSpaceAroundCenter&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSpaceEvenlyRight&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentStretchStartSafe&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSpaceAroundEndTrue&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSpaceEvenlyFlexStartSafe&quot;&gt;&lt;/div&gt;
+
+&lt;div id=&quot;alignContentSpaceBetweenSafe&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSpaceBetweenStretch&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentSafe&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentRightSafeTrue&quot;&gt;&lt;/div&gt;
+&lt;div id=&quot;alignContentCenterLeft&quot;&gt;&lt;/div&gt;
+
+&lt;script src=&quot;resources/alignment-parsing-utils.js&quot;&gt;&lt;/script&gt;
+&lt;script&gt;
+description('Test that setting and getting align-content works as expected');
+
+debug(&quot;Test getting align-content set through CSS&quot;);
+var alignContentAuto = document.getElementById(&quot;alignContentAuto&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentAuto, '').getPropertyValue('align-content')&quot;, &quot;start&quot;);
+
+var alignContentBaseline = document.getElementById(&quot;alignContentBaseline&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentBaseline, '').getPropertyValue('align-content')&quot;, &quot;baseline&quot;);
+
+var alignContentLastBaseline = document.getElementById(&quot;alignContentLastBaseline&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentLastBaseline, '').getPropertyValue('align-content')&quot;, &quot;last-baseline&quot;);
+
+var alignContentSpaceBetween = document.getElementById(&quot;alignContentSpaceBetween&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentSpaceBetween, '').getPropertyValue('align-content')&quot;, &quot;space-between&quot;);
+
+var alignContentSpaceAround = document.getElementById(&quot;alignContentSpaceAround&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentSpaceAround, '').getPropertyValue('align-content')&quot;, &quot;space-around&quot;);
+
+var alignContentSpaceEvenly = document.getElementById(&quot;alignContentSpaceEvenly&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentSpaceEvenly, '').getPropertyValue('align-content')&quot;, &quot;space-evenly&quot;);
+
+var alignContentStretch = document.getElementById(&quot;alignContentStretch&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentStretch, '').getPropertyValue('align-content')&quot;, &quot;stretch&quot;);
+
+var alignContentStart = document.getElementById(&quot;alignContentStart&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentStart, '').getPropertyValue('align-content')&quot;, &quot;start&quot;);
+
+var alignContentEnd = document.getElementById(&quot;alignContentEnd&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentEnd, '').getPropertyValue('align-content')&quot;, &quot;end&quot;);
+
+var alignContentCenter = document.getElementById(&quot;alignContentCenter&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentCenter, '').getPropertyValue('align-content')&quot;, &quot;center&quot;);
+
+var alignContentLeft = document.getElementById(&quot;alignContentLeft&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentLeft, '').getPropertyValue('align-content')&quot;, &quot;left&quot;);
+
+var alignContentRight = document.getElementById(&quot;alignContentRight&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentRight, '').getPropertyValue('align-content')&quot;, &quot;right&quot;);
+
+var alignContentFlexStart = document.getElementById(&quot;alignContentFlexStart&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentFlexStart, '').getPropertyValue('align-content')&quot;, &quot;flex-start&quot;);
+
+var alignContentFlexEnd = document.getElementById(&quot;alignContentFlexEnd&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentFlexEnd, '').getPropertyValue('align-content')&quot;, &quot;flex-end&quot;);
+
+var alignContentEndTrue = document.getElementById(&quot;alignContentEndTrue&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentEndTrue, '').getPropertyValue('align-content')&quot;, &quot;end true&quot;);
+
+var alignContentCenterTrue = document.getElementById(&quot;alignContentCenterTrue&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentCenterTrue, '').getPropertyValue('align-content')&quot;, &quot;center true&quot;);
+
+var alignContentRightSafe = document.getElementById(&quot;alignContentRightSafe&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentRightSafe, '').getPropertyValue('align-content')&quot;, &quot;right safe&quot;);
+
+var alignContentLeftTrue = document.getElementById(&quot;alignContentLeftTrue&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentLeftTrue, '').getPropertyValue('align-content')&quot;, &quot;left true&quot;);
+
+var alignContentFlexStartTrue = document.getElementById(&quot;alignContentFlexStartTrue&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentFlexStartTrue, '').getPropertyValue('align-content')&quot;, &quot;flex-start true&quot;);
+
+var alignContentFlexEndSafe = document.getElementById(&quot;alignContentFlexEndSafe&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentFlexEndSafe, '').getPropertyValue('align-content')&quot;, &quot;flex-end safe&quot;);
+
+var alignContentSpaceBetweenLeft = document.getElementById(&quot;alignContentSpaceBetweenLeft&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentSpaceBetweenLeft, '').getPropertyValue('align-content')&quot;, &quot;space-between left&quot;);
+
+var alignContentSpaceAroundCenter = document.getElementById(&quot;alignContentSpaceAroundCenter&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentSpaceAroundCenter, '').getPropertyValue('align-content')&quot;, &quot;space-around center&quot;);
+
+var alignContentSpaceEvenlyRight = document.getElementById(&quot;alignContentSpaceEvenlyRight&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentSpaceEvenlyRight, '').getPropertyValue('align-content')&quot;, &quot;space-evenly right&quot;);
+
+var alignContentStretchStartSafe = document.getElementById(&quot;alignContentStretchStartSafe&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentStretchStartSafe, '').getPropertyValue('align-content')&quot;, &quot;stretch start safe&quot;);
+
+var alignContentSpaceAroundEndTrue = document.getElementById(&quot;alignContentSpaceAroundEndTrue&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentSpaceAroundEndTrue, '').getPropertyValue('align-content')&quot;, &quot;space-around end true&quot;);
+
+var alignContentSpaceEvenlyFlexStartSafe = document.getElementById(&quot;alignContentSpaceEvenlyFlexStartSafe&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentSpaceEvenlyFlexStartSafe, '').getPropertyValue('align-content')&quot;, &quot;space-evenly flex-start safe&quot;);
+
+var alignContentSpaceBetweenSafe = document.getElementById(&quot;alignContentSpaceBetweenSafe&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentSpaceBetweenSafe, '').getPropertyValue('align-content')&quot;, &quot;start&quot;);
+
+var alignContentSpaceAroundTrue = document.getElementById(&quot;alignContentSpaceBetweenStretch&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentSpaceBetweenStretch, '').getPropertyValue('align-content')&quot;, &quot;start&quot;);
+
+var alignContentSpaceAroundTrue = document.getElementById(&quot;alignContentSafe&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentSafe, '').getPropertyValue('align-content')&quot;, &quot;start&quot;);
+
+var alignContentSpaceAroundTrue = document.getElementById(&quot;alignContentRightSafeTrue&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentRightSafeTrue, '').getPropertyValue('align-content')&quot;, &quot;start&quot;);
+
+var alignContentSpaceAroundTrue = document.getElementById(&quot;alignContentCenterLeft&quot;);
+shouldBeEqualToString(&quot;getComputedStyle(alignContentCenterLeft, '').getPropertyValue('align-content')&quot;, &quot;start&quot;);
+
+debug(&quot;&quot;);
+debug(&quot;Test initial value of align-content through JS&quot;);
+element = document.createElement(&quot;div&quot;);
+document.body.appendChild(element);
+shouldBeEqualToString(&quot;getComputedStyle(element, '').getPropertyValue('align-content')&quot;, &quot;start&quot;);
+
+debug(&quot;&quot;);
+debug(&quot;Test getting and setting align-content through JS&quot;);
+element = document.createElement(&quot;div&quot;);
+document.body.appendChild(element);
+element.style.alignContent = &quot;center&quot;;
+checkValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;center&quot;, &quot;center&quot;);
+
+element.style.alignContent = &quot;true start&quot;;
+checkValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;start true&quot;, &quot;start true&quot;);
+
+element.style.alignContent = &quot;flex-end safe&quot;;
+checkValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;flex-end safe&quot;, &quot;flex-end safe&quot;);
+
+element.style.alignContent = &quot;space-between right safe&quot;;
+checkValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;space-between right safe&quot;, &quot;space-between right safe&quot;);
+
+element.style.alignContent = &quot;stretch center&quot;;
+checkValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;stretch center&quot;, &quot;stretch center&quot;);
+
+element.style.alignContent = &quot;right true&quot;;
+checkValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;right true&quot;, &quot;right true&quot;);
+
+element.style.alignContent = &quot;auto&quot;;
+checkValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;auto&quot;, &quot;start&quot;);
+
+element.style.display = &quot;-webkit-flex&quot;;
+element.style.alignContent = &quot;auto&quot;;
+checkValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;auto&quot;, &quot;stretch&quot;);
+
+element.style.display = &quot;-webkit-grid&quot;;
+element.style.alignContent = &quot;auto&quot;;
+checkValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;auto&quot;, &quot;start&quot;);
+
+element.style.alignContent = &quot;flex-end&quot;;
+checkValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;flex-end&quot;, &quot;flex-end&quot;);
+
+debug(&quot;&quot;);
+debug(&quot;Test bad combinations of align-content&quot;);
+element = document.createElement(&quot;div&quot;);
+document.body.appendChild(element);
+
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;true auto&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;auto safe&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;auto left&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;baseline safe&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;last baseline center&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;true true&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;true safe&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;center start&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;baseline safe&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;true baseline&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;true safe left&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;true left safe&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;left safe true safe&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;start right space-between&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;safe stretch&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;space-around stretch&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;end space-between start&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;right safe left&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;true&quot;);
+checkBadValues(element, &quot;alignContent&quot;, &quot;align-content&quot;,  &quot;safe&quot;);
+
+debug(&quot;&quot;);
+debug(&quot;Test the value 'initial'&quot;);
+element.style.display = &quot;&quot;;
+checkInitialValues(element, &quot;alignContent&quot;, &quot;align-content&quot;, &quot;stretch center&quot;, &quot;start&quot;);
+
+debug(&quot;&quot;);
+debug(&quot;Test the value 'initial' for grid containers&quot;);
+element.style.display = &quot;-webkit-grid&quot;;
+checkInitialValues(element, &quot;alignContent&quot;, &quot;align-content&quot;, &quot;space-between left&quot;, &quot;start&quot;);
+
+debug(&quot;&quot;);
+debug(&quot;Test the value 'initial' for flex containers&quot;);
+element.style.display = &quot;-webkit-flex&quot;;
+checkInitialValues(element, &quot;alignContent&quot;, &quot;align-content&quot;, &quot;right true&quot;, &quot;stretch&quot;);
+
+debug(&quot;&quot;);
+debug(&quot;Test the value 'inherit'&quot;);
+checkInheritValues(&quot;alignContent&quot;, &quot;align-content&quot;, &quot;end&quot;);
+checkInheritValues(&quot;alignContent&quot;, &quot;align-content&quot;, &quot;left safe&quot;);
+checkInheritValues(&quot;alignContent&quot;, &quot;align-content&quot;, &quot;stretch center&quot;);
+
+&lt;/script&gt;
+&lt;/body&gt;
+&lt;/html&gt;
</ins></span></pre></div>
<a id="trunkLayoutTestscss3parsejustifycontentexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/css3/parse-justify-content-expected.txt (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/css3/parse-justify-content-expected.txt        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/LayoutTests/css3/parse-justify-content-expected.txt        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -55,7 +55,7 @@
</span><span class="cx"> PASS element.style.justifyContent is &quot;auto&quot;
</span><span class="cx"> PASS window.getComputedStyle(element, '').getPropertyValue('justify-content') is &quot;start&quot;
</span><span class="cx"> PASS element.style.justifyContent is &quot;auto&quot;
</span><del>-PASS window.getComputedStyle(element, '').getPropertyValue('justify-content') is &quot;flex-start&quot;
</del><ins>+PASS window.getComputedStyle(element, '').getPropertyValue('justify-content') is &quot;stretch&quot;
</ins><span class="cx"> PASS element.style.justifyContent is &quot;auto&quot;
</span><span class="cx"> PASS window.getComputedStyle(element, '').getPropertyValue('justify-content') is &quot;start&quot;
</span><span class="cx"> PASS element.style.justifyContent is &quot;flex-end&quot;
</span><span class="lines">@@ -121,7 +121,7 @@
</span><span class="cx"> PASS element.style.justifyContent is &quot;right true&quot;
</span><span class="cx"> PASS window.getComputedStyle(element, '').getPropertyValue('justify-content') is &quot;right true&quot;
</span><span class="cx"> PASS element.style.justifyContent is &quot;initial&quot;
</span><del>-PASS window.getComputedStyle(element, '').getPropertyValue('justify-content') is &quot;flex-start&quot;
</del><ins>+PASS window.getComputedStyle(element, '').getPropertyValue('justify-content') is &quot;stretch&quot;
</ins><span class="cx"> 
</span><span class="cx"> Test the value 'inherit'
</span><span class="cx"> PASS element.style.justifyContent is &quot;end&quot;
</span></span></pre></div>
<a id="trunkLayoutTestscss3parsejustifycontenthtml"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/css3/parse-justify-content.html (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/css3/parse-justify-content.html        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/LayoutTests/css3/parse-justify-content.html        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -294,7 +294,7 @@
</span><span class="cx"> 
</span><span class="cx"> element.style.display = &quot;-webkit-flex&quot;;
</span><span class="cx"> element.style.justifyContent = &quot;auto&quot;;
</span><del>-checkValues(element, &quot;justifyContent&quot;, &quot;justify-content&quot;,  &quot;auto&quot;, &quot;flex-start&quot;);
</del><ins>+checkValues(element, &quot;justifyContent&quot;, &quot;justify-content&quot;,  &quot;auto&quot;, &quot;stretch&quot;);
</ins><span class="cx"> 
</span><span class="cx"> element.style.display = &quot;-webkit-grid&quot;;
</span><span class="cx"> element.style.justifyContent = &quot;auto&quot;;
</span><span class="lines">@@ -343,7 +343,7 @@
</span><span class="cx"> debug(&quot;&quot;);
</span><span class="cx"> debug(&quot;Test the value 'initial' for flex containers&quot;);
</span><span class="cx"> element.style.display = &quot;-webkit-flex&quot;;
</span><del>-checkInitialValues(element, &quot;justifyContent&quot;, &quot;justify-content&quot;, &quot;right true&quot;, &quot;flex-start&quot;);
</del><ins>+checkInitialValues(element, &quot;justifyContent&quot;, &quot;justify-content&quot;, &quot;right true&quot;, &quot;stretch&quot;);
</ins><span class="cx"> 
</span><span class="cx"> debug(&quot;&quot;);
</span><span class="cx"> debug(&quot;Test the value 'inherit'&quot;);
</span></span></pre></div>
<a id="trunkLayoutTestsfastcssgetComputedStylecomputedstyleexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/fast/css/getComputedStyle/computed-style-expected.txt (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/css/getComputedStyle/computed-style-expected.txt        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/LayoutTests/fast/css/getComputedStyle/computed-style-expected.txt        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -146,7 +146,7 @@
</span><span class="cx"> column-rule-width: 0px;
</span><span class="cx"> column-span: none;
</span><span class="cx"> column-width: auto;
</span><del>-align-content: stretch;
</del><ins>+align-content: start;
</ins><span class="cx"> align-items: start;
</span><span class="cx"> align-self: start;
</span><span class="cx"> flex-direction: row;
</span></span></pre></div>
<a id="trunkLayoutTestsfastcssgetComputedStylecomputedstylewithoutrendererexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/fast/css/getComputedStyle/computed-style-without-renderer-expected.txt (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/css/getComputedStyle/computed-style-without-renderer-expected.txt        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/LayoutTests/fast/css/getComputedStyle/computed-style-without-renderer-expected.txt        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -145,7 +145,7 @@
</span><span class="cx"> column-rule-width: 0px
</span><span class="cx"> column-span: none
</span><span class="cx"> column-width: auto
</span><del>-align-content: stretch
</del><ins>+align-content: auto
</ins><span class="cx"> align-items: auto
</span><span class="cx"> align-self: auto
</span><span class="cx"> flex-direction: row
</span></span></pre></div>
<a id="trunkLayoutTestssvgcssgetComputedStylebasicexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/svg/css/getComputedStyle-basic-expected.txt (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/svg/css/getComputedStyle-basic-expected.txt        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/LayoutTests/svg/css/getComputedStyle-basic-expected.txt        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -290,8 +290,8 @@
</span><span class="cx"> rect: style.getPropertyCSSValue(column-span) : [object CSSPrimitiveValue]
</span><span class="cx"> rect: style.getPropertyValue(column-width) : auto
</span><span class="cx"> rect: style.getPropertyCSSValue(column-width) : [object CSSPrimitiveValue]
</span><del>-rect: style.getPropertyValue(align-content) : stretch
-rect: style.getPropertyCSSValue(align-content) : [object CSSPrimitiveValue]
</del><ins>+rect: style.getPropertyValue(align-content) : start
+rect: style.getPropertyCSSValue(align-content) : [object CSSValueList]
</ins><span class="cx"> rect: style.getPropertyValue(align-items) : start
</span><span class="cx"> rect: style.getPropertyCSSValue(align-items) : [object CSSValueList]
</span><span class="cx"> rect: style.getPropertyValue(align-self) : start
</span><span class="lines">@@ -808,8 +808,8 @@
</span><span class="cx"> g: style.getPropertyCSSValue(column-span) : [object CSSPrimitiveValue]
</span><span class="cx"> g: style.getPropertyValue(column-width) : auto
</span><span class="cx"> g: style.getPropertyCSSValue(column-width) : [object CSSPrimitiveValue]
</span><del>-g: style.getPropertyValue(align-content) : stretch
-g: style.getPropertyCSSValue(align-content) : [object CSSPrimitiveValue]
</del><ins>+g: style.getPropertyValue(align-content) : start
+g: style.getPropertyCSSValue(align-content) : [object CSSValueList]
</ins><span class="cx"> g: style.getPropertyValue(align-items) : start
</span><span class="cx"> g: style.getPropertyCSSValue(align-items) : [object CSSValueList]
</span><span class="cx"> g: style.getPropertyValue(align-self) : start
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/Source/WebCore/ChangeLog        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -1,3 +1,40 @@
</span><ins>+2015-05-05  Javier Fernandez  &lt;jfernandez@igalia.com&gt;
+
+        [CSS Box Alignment] Upgrade align-content parsing to CSS3 Box Alignment spec
+        https://bugs.webkit.org/show_bug.cgi?id=144443
+
+        Reviewed by Darin Adler.
+
+        Upgrade the align-content property to the last CSS3 Box
+        Alignment specification. As it uses a different enumeration for
+        Positional and Distribution alignment, it implies some changes in
+        the FlexibleBox implementation.
+
+        Test: css3/parse-align-content.html
+
+        * css/CSSComputedStyleDeclaration.cpp:
+        (WebCore::resolveContentAlignmentAuto):
+        (WebCore::ComputedStyleExtractor::propertyValue):
+        * css/CSSParser.cpp:
+        (WebCore::isValidKeywordPropertyAndValue):
+        (WebCore::isKeywordPropertyID):
+        (WebCore::CSSParser::parseValue):
+        * css/CSSPropertyNames.in:
+        * rendering/RenderFlexibleBox.cpp:
+        (WebCore::RenderFlexibleBox::layoutAndPlaceChildren):
+        (WebCore::RenderFlexibleBox::layoutColumnReverse):
+        (WebCore::initialAlignContentOffset):
+        (WebCore::alignContentSpaceBetweenChildren):
+        (WebCore::RenderFlexibleBox::alignFlexLines):
+        * rendering/style/RenderStyle.cpp:
+        (WebCore::RenderStyle::resolveContentAlignment):
+        (WebCore::RenderStyle::resolveContentJustification):
+        * rendering/style/RenderStyle.h:
+        * rendering/style/StyleRareNonInheritedData.cpp:
+        (WebCore::StyleRareNonInheritedData::StyleRareNonInheritedData):
+        (WebCore::StyleRareNonInheritedData::operator==):
+        * rendering/style/StyleRareNonInheritedData.h:
+
</ins><span class="cx"> 2015-05-05  Xabier Rodriguez Calvar  &lt;calvaris@igalia.com&gt; and Youenn Fablet  &lt;youenn.fablet@crf.canon.fr&gt;
</span><span class="cx"> 
</span><span class="cx">         streams/readable-stream.html is very flaky
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSComputedStyleDeclarationcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSComputedStyleDeclaration.cpp (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSComputedStyleDeclaration.cpp        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/Source/WebCore/css/CSSComputedStyleDeclaration.cpp        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -1733,12 +1733,17 @@
</span><span class="cx">     return resolveContainerAlignmentAuto(parent-&gt;style().alignItemsPosition(), parent);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-static ContentPosition resolveContentAlignmentAuto(ContentPosition position, ContentDistributionType distribution, RenderObject* element)
</del><ins>+static void resolveContentAlignmentAuto(ContentPosition&amp; position, ContentDistributionType&amp; distribution, RenderObject* element)
</ins><span class="cx"> {
</span><span class="cx">     if (position != ContentPositionAuto || distribution != ContentDistributionDefault || !element)
</span><del>-        return position;
</del><ins>+        return;
</ins><span class="cx"> 
</span><del>-    return element-&gt;style().isDisplayFlexibleBox() ? ContentPositionFlexStart : ContentPositionStart;
</del><ins>+    // Even that both align-content and justify-content 'auto' values are resolved to 'stretch'
+    // in case of flexbox containers, 'stretch' value in justify-content will behave like 'flex-start'. 
+    if (element-&gt;style().isDisplayFlexibleBox())
+        distribution = ContentDistributionStretch;
+    else
+        position = ContentPositionStart;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> PassRefPtr&lt;CSSValue&gt; CSSComputedStyleDeclaration::getPropertyCSSValue(CSSPropertyID propertyID, EUpdateLayout updateLayout) const
</span><span class="lines">@@ -2207,8 +2212,12 @@
</span><span class="cx">             return cssValuePool().createValue(style-&gt;display());
</span><span class="cx">         case CSSPropertyEmptyCells:
</span><span class="cx">             return cssValuePool().createValue(style-&gt;emptyCells());
</span><del>-        case CSSPropertyAlignContent:
-            return cssValuePool().createValue(style-&gt;alignContent());
</del><ins>+        case CSSPropertyAlignContent: {
+            ContentPosition position = style-&gt;alignContentPosition();
+            ContentDistributionType distribution = style-&gt;alignContentDistribution();
+            resolveContentAlignmentAuto(position, distribution, renderer);
+            return valueForContentPositionAndDistributionWithOverflowAlignment(position, distribution, style-&gt;alignContentOverflowAlignment());
+        }
</ins><span class="cx">         case CSSPropertyAlignItems:
</span><span class="cx">             return valueForItemPositionWithOverflowAlignment(resolveContainerAlignmentAuto(style-&gt;alignItemsPosition(), renderer), style-&gt;alignItemsOverflowAlignment(), NonLegacyPosition);
</span><span class="cx">         case CSSPropertyAlignSelf: {
</span><span class="lines">@@ -2230,8 +2239,12 @@
</span><span class="cx">             return cssValuePool().createValue(style-&gt;flexShrink());
</span><span class="cx">         case CSSPropertyFlexWrap:
</span><span class="cx">             return cssValuePool().createValue(style-&gt;flexWrap());
</span><del>-        case CSSPropertyJustifyContent:
-            return valueForContentPositionAndDistributionWithOverflowAlignment(resolveContentAlignmentAuto(style-&gt;justifyContentPosition(), style-&gt;justifyContentDistribution(), renderer), style-&gt;justifyContentDistribution(), style-&gt;justifyContentOverflowAlignment());
</del><ins>+        case CSSPropertyJustifyContent: {
+            ContentPosition position = style-&gt;justifyContentPosition();
+            ContentDistributionType distribution = style-&gt;justifyContentDistribution();
+            resolveContentAlignmentAuto(position, distribution, renderer);
+            return valueForContentPositionAndDistributionWithOverflowAlignment(position, distribution, style-&gt;justifyContentOverflowAlignment());
+        }
</ins><span class="cx">         case CSSPropertyJustifyItems:
</span><span class="cx">             return valueForItemPositionWithOverflowAlignment(resolveContainerAlignmentAuto(style-&gt;justifyItemsPosition(), renderer), style-&gt;justifyItemsOverflowAlignment(), style-&gt;justifyItemsPositionType());
</span><span class="cx">         case CSSPropertyJustifySelf: {
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSParsercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSParser.cpp (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSParser.cpp        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/Source/WebCore/css/CSSParser.cpp        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -880,11 +880,6 @@
</span><span class="cx">         if (valueID == CSSValueAuto || valueID == CSSValueBalance)
</span><span class="cx">             return true;
</span><span class="cx">         break;
</span><del>-    case CSSPropertyAlignContent:
-        // FIXME: Per CSS alignment, this property should accept an optional &lt;overflow-position&gt;. We should share this parsing code with 'justify-self'.
-        if (valueID == CSSValueFlexStart || valueID == CSSValueFlexEnd || valueID == CSSValueCenter || valueID == CSSValueSpaceBetween || valueID == CSSValueSpaceAround || valueID == CSSValueStretch)
-            return true;
-        break;
</del><span class="cx">     case CSSPropertyFlexDirection:
</span><span class="cx">         if (valueID == CSSValueRow || valueID == CSSValueRowReverse || valueID == CSSValueColumn || valueID == CSSValueColumnReverse)
</span><span class="cx">             return true;
</span><span class="lines">@@ -1121,7 +1116,6 @@
</span><span class="cx">     case CSSPropertyWebkitColumnBreakInside:
</span><span class="cx">     case CSSPropertyColumnFill:
</span><span class="cx">     case CSSPropertyColumnRuleStyle:
</span><del>-    case CSSPropertyAlignContent:
</del><span class="cx">     case CSSPropertyFlexDirection:
</span><span class="cx">     case CSSPropertyFlexWrap:
</span><span class="cx">     case CSSPropertyWebkitFontKerning:
</span><span class="lines">@@ -3043,6 +3037,9 @@
</span><span class="cx">         parsedValue = parseImageResolution();
</span><span class="cx">         break;
</span><span class="cx"> #endif
</span><ins>+    case CSSPropertyAlignContent:
+        parsedValue = parseContentDistributionOverflowPosition();
+        break;
</ins><span class="cx">     case CSSPropertyAlignSelf:
</span><span class="cx">         return parseItemPositionOverflowPosition(propId, important);
</span><span class="cx"> 
</span><span class="lines">@@ -3108,7 +3105,6 @@
</span><span class="cx">     case CSSPropertyWebkitColumnBreakInside:
</span><span class="cx">     case CSSPropertyColumnFill:
</span><span class="cx">     case CSSPropertyColumnRuleStyle:
</span><del>-    case CSSPropertyAlignContent:
</del><span class="cx">     case CSSPropertyFlexDirection:
</span><span class="cx">     case CSSPropertyFlexWrap:
</span><span class="cx">     case CSSPropertyWebkitFontKerning:
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSPropertyNamesin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSPropertyNames.in (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSPropertyNames.in        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/Source/WebCore/css/CSSPropertyNames.in        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -453,7 +453,7 @@
</span><span class="cx"> isolation
</span><span class="cx"> #endif
</span><span class="cx"> -webkit-filter [ConditionalConverter=FilterOperations]
</span><del>-align-content
</del><ins>+align-content [Initial=initialContentAlignment, Converter=ContentAlignmentData]
</ins><span class="cx"> -webkit-align-content = align-content
</span><span class="cx"> align-items [Initial=initialSelfAlignment, Converter=SelfOrDefaultAlignmentData]
</span><span class="cx"> -webkit-align-items = align-items
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderFlexibleBoxcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderFlexibleBox.cpp (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderFlexibleBox.cpp        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/Source/WebCore/rendering/RenderFlexibleBox.cpp        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -1057,10 +1057,14 @@
</span><span class="cx"> {
</span><span class="cx">     ASSERT(childSizes.size() == children.size());
</span><span class="cx"> 
</span><ins>+    ContentPosition position = style().justifyContentPosition();
+    ContentDistributionType distribution = style().justifyContentDistribution();
+    RenderStyle::resolveContentJustification(style(), position);
+
</ins><span class="cx">     size_t numberOfChildrenForJustifyContent = numberOfInFlowPositionedChildren(children);
</span><span class="cx">     LayoutUnit autoMarginOffset = autoMarginOffsetInMainAxis(children, availableFreeSpace);
</span><span class="cx">     LayoutUnit mainAxisOffset = flowAwareBorderStart() + flowAwarePaddingStart();
</span><del>-    mainAxisOffset += initialJustifyContentOffset(availableFreeSpace, style().justifyContentPosition(), style().justifyContentDistribution(), numberOfChildrenForJustifyContent);
</del><ins>+    mainAxisOffset += initialJustifyContentOffset(availableFreeSpace, position, distribution, numberOfChildrenForJustifyContent);
</ins><span class="cx">     if (style().flexDirection() == FlowRowReverse)
</span><span class="cx">         mainAxisOffset += isHorizontalFlow() ? verticalScrollbarWidth() : horizontalScrollbarHeight();
</span><span class="cx"> 
</span><span class="lines">@@ -1117,7 +1121,7 @@
</span><span class="cx"> 
</span><span class="cx">         ++seenInFlowPositionedChildren;
</span><span class="cx">         if (seenInFlowPositionedChildren &lt; numberOfChildrenForJustifyContent)
</span><del>-            mainAxisOffset += justifyContentSpaceBetweenChildren(availableFreeSpace, style().justifyContentDistribution(), numberOfChildrenForJustifyContent);
</del><ins>+            mainAxisOffset += justifyContentSpaceBetweenChildren(availableFreeSpace, distribution, numberOfChildrenForJustifyContent);
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     if (isColumnFlow())
</span><span class="lines">@@ -1138,12 +1142,16 @@
</span><span class="cx"> 
</span><span class="cx"> void RenderFlexibleBox::layoutColumnReverse(const OrderedFlexItemList&amp; children, LayoutUnit crossAxisOffset, LayoutUnit availableFreeSpace)
</span><span class="cx"> {
</span><ins>+    ContentPosition position = style().justifyContentPosition();
+    ContentDistributionType distribution = style().justifyContentDistribution();
+    RenderStyle::resolveContentJustification(style(), position);
+
</ins><span class="cx">     // This is similar to the logic in layoutAndPlaceChildren, except we place the children
</span><span class="cx">     // starting from the end of the flexbox. We also don't need to layout anything since we're
</span><span class="cx">     // just moving the children to a new position.
</span><span class="cx">     size_t numberOfChildrenForJustifyContent = numberOfInFlowPositionedChildren(children);
</span><span class="cx">     LayoutUnit mainAxisOffset = logicalHeight() - flowAwareBorderEnd() - flowAwarePaddingEnd();
</span><del>-    mainAxisOffset -= initialJustifyContentOffset(availableFreeSpace, style().justifyContentPosition(), style().justifyContentDistribution(), numberOfChildrenForJustifyContent);
</del><ins>+    mainAxisOffset -= initialJustifyContentOffset(availableFreeSpace, position, distribution, numberOfChildrenForJustifyContent);
</ins><span class="cx">     mainAxisOffset -= isHorizontalFlow() ? verticalScrollbarWidth() : horizontalScrollbarHeight();
</span><span class="cx"> 
</span><span class="cx">     size_t seenInFlowPositionedChildren = 0;
</span><span class="lines">@@ -1161,17 +1169,17 @@
</span><span class="cx"> 
</span><span class="cx">         ++seenInFlowPositionedChildren;
</span><span class="cx">         if (seenInFlowPositionedChildren &lt; numberOfChildrenForJustifyContent)
</span><del>-            mainAxisOffset -= justifyContentSpaceBetweenChildren(availableFreeSpace, style().justifyContentDistribution(), numberOfChildrenForJustifyContent);
</del><ins>+            mainAxisOffset -= justifyContentSpaceBetweenChildren(availableFreeSpace, distribution, numberOfChildrenForJustifyContent);
</ins><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-static LayoutUnit initialAlignContentOffset(LayoutUnit availableFreeSpace, EAlignContent alignContent, unsigned numberOfLines)
</del><ins>+static LayoutUnit initialAlignContentOffset(LayoutUnit availableFreeSpace, ContentPosition alignContent, ContentDistributionType alignContentDistribution, unsigned numberOfLines)
</ins><span class="cx"> {
</span><del>-    if (alignContent == AlignContentFlexEnd)
</del><ins>+    if (alignContent == ContentPositionFlexEnd)
</ins><span class="cx">         return availableFreeSpace;
</span><del>-    if (alignContent == AlignContentCenter)
</del><ins>+    if (alignContent == ContentPositionCenter)
</ins><span class="cx">         return availableFreeSpace / 2;
</span><del>-    if (alignContent == AlignContentSpaceAround) {
</del><ins>+    if (alignContentDistribution == ContentDistributionSpaceAround) {
</ins><span class="cx">         if (availableFreeSpace &gt; 0 &amp;&amp; numberOfLines)
</span><span class="cx">             return availableFreeSpace / (2 * numberOfLines);
</span><span class="cx">         if (availableFreeSpace &lt; 0)
</span><span class="lines">@@ -1180,12 +1188,12 @@
</span><span class="cx">     return 0;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-static LayoutUnit alignContentSpaceBetweenChildren(LayoutUnit availableFreeSpace, EAlignContent alignContent, unsigned numberOfLines)
</del><ins>+static LayoutUnit alignContentSpaceBetweenChildren(LayoutUnit availableFreeSpace, ContentDistributionType alignContentDistribution, unsigned numberOfLines)
</ins><span class="cx"> {
</span><span class="cx">     if (availableFreeSpace &gt; 0 &amp;&amp; numberOfLines &gt; 1) {
</span><del>-        if (alignContent == AlignContentSpaceBetween)
</del><ins>+        if (alignContentDistribution == ContentDistributionSpaceBetween)
</ins><span class="cx">             return availableFreeSpace / (numberOfLines - 1);
</span><del>-        if (alignContent == AlignContentSpaceAround || alignContent == AlignContentStretch)
</del><ins>+        if (alignContentDistribution == ContentDistributionSpaceAround || alignContentDistribution == ContentDistributionStretch)
</ins><span class="cx">             return availableFreeSpace / numberOfLines;
</span><span class="cx">     }
</span><span class="cx">     return 0;
</span><span class="lines">@@ -1193,7 +1201,11 @@
</span><span class="cx"> 
</span><span class="cx"> void RenderFlexibleBox::alignFlexLines(Vector&lt;LineContext&gt;&amp; lineContexts)
</span><span class="cx"> {
</span><del>-    if (!isMultiline() || style().alignContent() == AlignContentFlexStart)
</del><ins>+    ContentPosition position = style().alignContentPosition();
+    ContentDistributionType distribution = style().alignContentDistribution();
+    RenderStyle::resolveContentAlignment(style(), position, distribution);
+
+    if (!isMultiline() || position == ContentPositionFlexStart)
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     LayoutUnit availableCrossAxisSpace = crossAxisContentExtent();
</span><span class="lines">@@ -1201,16 +1213,16 @@
</span><span class="cx">         availableCrossAxisSpace -= lineContexts[i].crossAxisExtent;
</span><span class="cx"> 
</span><span class="cx">     RenderBox* child = m_orderIterator.first();
</span><del>-    LayoutUnit lineOffset = initialAlignContentOffset(availableCrossAxisSpace, style().alignContent(), lineContexts.size());
</del><ins>+    LayoutUnit lineOffset = initialAlignContentOffset(availableCrossAxisSpace, position, distribution, lineContexts.size());
</ins><span class="cx">     for (unsigned lineNumber = 0; lineNumber &lt; lineContexts.size(); ++lineNumber) {
</span><span class="cx">         lineContexts[lineNumber].crossAxisOffset += lineOffset;
</span><span class="cx">         for (size_t childNumber = 0; childNumber &lt; lineContexts[lineNumber].numberOfChildren; ++childNumber, child = m_orderIterator.next())
</span><span class="cx">             adjustAlignmentForChild(*child, lineOffset);
</span><span class="cx"> 
</span><del>-        if (style().alignContent() == AlignContentStretch &amp;&amp; availableCrossAxisSpace &gt; 0)
</del><ins>+        if (distribution == ContentDistributionStretch &amp;&amp; availableCrossAxisSpace &gt; 0)
</ins><span class="cx">             lineContexts[lineNumber].crossAxisExtent += availableCrossAxisSpace / static_cast&lt;unsigned&gt;(lineContexts.size());
</span><span class="cx"> 
</span><del>-        lineOffset += alignContentSpaceBetweenChildren(availableCrossAxisSpace, style().alignContent(), lineContexts.size());
</del><ins>+        lineOffset += alignContentSpaceBetweenChildren(availableCrossAxisSpace, distribution, lineContexts.size());
</ins><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingstyleRenderStylecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/style/RenderStyle.cpp (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/style/RenderStyle.cpp        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/Source/WebCore/rendering/style/RenderStyle.cpp        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -208,6 +208,28 @@
</span><span class="cx">     return resolveJustificationData(parentStyle, childStyle, ItemPositionStretch).overflow();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void RenderStyle::resolveContentAlignment(const RenderStyle&amp; style, ContentPosition&amp; position, ContentDistributionType&amp; distribution)
+{
+    if (position != ContentPositionAuto || distribution != ContentDistributionDefault)
+        return;
+
+    if (style.isDisplayFlexibleBox())
+        distribution = ContentDistributionStretch;
+    else
+        position = ContentPositionStart;
+}
+
+void RenderStyle::resolveContentJustification(const RenderStyle&amp; style, ContentPosition&amp; position)
+{
+    if (position != ContentPositionAuto || style.justifyContentDistribution() != ContentDistributionDefault)
+        return;
+
+    if (style.isDisplayFlexibleBox())
+        position = ContentPositionFlexStart;
+    else
+        position = ContentPositionStart;
+}
+
</ins><span class="cx"> void RenderStyle::inheritFrom(const RenderStyle* inheritParent, IsAtShadowBoundary isAtShadowBoundary)
</span><span class="cx"> {
</span><span class="cx">     if (isAtShadowBoundary == AtShadowBoundary) {
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingstyleRenderStyleh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/style/RenderStyle.h (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/style/RenderStyle.h        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/Source/WebCore/rendering/style/RenderStyle.h        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -491,6 +491,8 @@
</span><span class="cx">     // Create a RenderStyle for generated content by inheriting from a pseudo style.
</span><span class="cx">     static Ref&lt;RenderStyle&gt; createStyleInheritingFromPseudoStyle(const RenderStyle&amp; pseudoStyle);
</span><span class="cx"> 
</span><ins>+    static void resolveContentAlignment(const RenderStyle&amp;, ContentPosition&amp;, ContentDistributionType&amp;);
+    static void resolveContentJustification(const RenderStyle&amp;, ContentPosition&amp;);
</ins><span class="cx">     static ItemPosition resolveAlignment(const RenderStyle&amp; parentStyle, const RenderStyle&amp; childStyle, ItemPosition resolvedAutoPositionForRenderer);
</span><span class="cx">     static OverflowAlignment resolveAlignmentOverflow(const RenderStyle&amp; parentStyle, const RenderStyle&amp; childStyle);
</span><span class="cx">     static ItemPosition resolveJustification(const RenderStyle&amp; parentStyle, const RenderStyle&amp; childStyle, ItemPosition resolvedAutoPositionForRenderer);
</span><span class="lines">@@ -911,7 +913,10 @@
</span><span class="cx">     float flexGrow() const { return rareNonInheritedData-&gt;m_flexibleBox-&gt;m_flexGrow; }
</span><span class="cx">     float flexShrink() const { return rareNonInheritedData-&gt;m_flexibleBox-&gt;m_flexShrink; }
</span><span class="cx">     const Length&amp; flexBasis() const { return rareNonInheritedData-&gt;m_flexibleBox-&gt;m_flexBasis; }
</span><del>-    EAlignContent alignContent() const { return static_cast&lt;EAlignContent&gt;(rareNonInheritedData-&gt;m_alignContent); }
</del><ins>+    const StyleContentAlignmentData&amp; alignContent() const { return rareNonInheritedData-&gt;m_alignContent; }
+    ContentPosition alignContentPosition() const { return rareNonInheritedData-&gt;m_alignContent.position(); }
+    ContentDistributionType alignContentDistribution() const { return rareNonInheritedData-&gt;m_alignContent.distribution(); }
+    OverflowAlignment alignContentOverflowAlignment() const { return rareNonInheritedData-&gt;m_alignContent.overflow(); }
</ins><span class="cx">     const StyleSelfAlignmentData&amp; alignItems() const { return rareNonInheritedData-&gt;m_alignItems; }
</span><span class="cx">     ItemPosition alignItemsPosition() const { return rareNonInheritedData-&gt;m_alignItems.position(); }
</span><span class="cx">     OverflowAlignment alignItemsOverflowAlignment() const { return rareNonInheritedData-&gt;m_alignItems.overflow(); }
</span><span class="lines">@@ -1504,7 +1509,10 @@
</span><span class="cx">     void setFlexShrink(float f) { SET_VAR(rareNonInheritedData.access()-&gt;m_flexibleBox, m_flexShrink, f); }
</span><span class="cx">     void setFlexBasis(Length length) { SET_VAR(rareNonInheritedData.access()-&gt;m_flexibleBox, m_flexBasis, WTF::move(length)); }
</span><span class="cx">     void setOrder(int o) { SET_VAR(rareNonInheritedData, m_order, o); }
</span><del>-    void setAlignContent(EAlignContent p) { SET_VAR(rareNonInheritedData, m_alignContent, p); }
</del><ins>+    void setAlignContent(const StyleContentAlignmentData&amp; data) { SET_VAR(rareNonInheritedData, m_alignContent, data); }
+    void setAlignContentPosition(ContentPosition position) { rareNonInheritedData.access()-&gt;m_alignContent.setPosition(position); }
+    void setAlignContentOverflow(OverflowAlignment overflow) { rareNonInheritedData.access()-&gt;m_alignContent.setOverflow(overflow); }
+    void setAlignContentDistribution(ContentDistributionType distribution) { rareNonInheritedData.access()-&gt;m_alignContent.setDistribution(distribution); }
</ins><span class="cx">     void setAlignItems(const StyleSelfAlignmentData&amp; data) { SET_VAR(rareNonInheritedData, m_alignItems, data); }
</span><span class="cx">     void setAlignItemsPosition(ItemPosition position) { rareNonInheritedData.access()-&gt;m_alignItems.setPosition(position); }
</span><span class="cx">     void setAlignItemsOverflow(OverflowAlignment overflow) { rareNonInheritedData.access()-&gt;m_alignItems.setOverflow(overflow); }
</span><span class="lines">@@ -1933,7 +1941,6 @@
</span><span class="cx">     static float initialFlexShrink() { return 1; }
</span><span class="cx">     static Length initialFlexBasis() { return Length(Auto); }
</span><span class="cx">     static int initialOrder() { return 0; }
</span><del>-    static EAlignContent initialAlignContent() { return AlignContentStretch; }
</del><span class="cx">     static StyleSelfAlignmentData initialSelfAlignment() { return StyleSelfAlignmentData(ItemPositionAuto, OverflowAlignmentDefault); }
</span><span class="cx">     static StyleContentAlignmentData initialContentAlignment() { return StyleContentAlignmentData(ContentPositionAuto, ContentDistributionDefault, OverflowAlignmentDefault); }
</span><span class="cx">     static EFlexDirection initialFlexDirection() { return FlowRow; }
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingstyleStyleRareNonInheritedDatacpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/style/StyleRareNonInheritedData.cpp (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/style/StyleRareNonInheritedData.cpp        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/Source/WebCore/rendering/style/StyleRareNonInheritedData.cpp        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -71,6 +71,7 @@
</span><span class="cx">     , m_order(RenderStyle::initialOrder())
</span><span class="cx">     , m_flowThread(RenderStyle::initialFlowThread())
</span><span class="cx">     , m_regionThread(RenderStyle::initialRegionThread())
</span><ins>+    , m_alignContent(RenderStyle::initialContentAlignment())
</ins><span class="cx">     , m_alignItems(RenderStyle::initialSelfAlignment())
</span><span class="cx">     , m_alignSelf(RenderStyle::initialSelfAlignment())
</span><span class="cx">     , m_justifyContent(RenderStyle::initialContentAlignment())
</span><span class="lines">@@ -86,7 +87,6 @@
</span><span class="cx">     , m_pageSizeType(PAGE_SIZE_AUTO)
</span><span class="cx">     , m_transformStyle3D(RenderStyle::initialTransformStyle3D())
</span><span class="cx">     , m_backfaceVisibility(RenderStyle::initialBackfaceVisibility())
</span><del>-    , m_alignContent(RenderStyle::initialAlignContent())
</del><span class="cx">     , userDrag(RenderStyle::initialUserDrag())
</span><span class="cx">     , textOverflow(RenderStyle::initialTextOverflow())
</span><span class="cx">     , marginBeforeCollapse(MCOLLAPSE)
</span><span class="lines">@@ -159,6 +159,7 @@
</span><span class="cx">     , m_order(o.m_order)
</span><span class="cx">     , m_flowThread(o.m_flowThread)
</span><span class="cx">     , m_regionThread(o.m_regionThread)
</span><ins>+    , m_alignContent(o.m_alignContent)
</ins><span class="cx">     , m_alignItems(o.m_alignItems)
</span><span class="cx">     , m_alignSelf(o.m_alignSelf)
</span><span class="cx">     , m_justifyContent(o.m_justifyContent)
</span><span class="lines">@@ -174,7 +175,6 @@
</span><span class="cx">     , m_pageSizeType(o.m_pageSizeType)
</span><span class="cx">     , m_transformStyle3D(o.m_transformStyle3D)
</span><span class="cx">     , m_backfaceVisibility(o.m_backfaceVisibility)
</span><del>-    , m_alignContent(o.m_alignContent)
</del><span class="cx">     , userDrag(o.userDrag)
</span><span class="cx">     , textOverflow(o.textOverflow)
</span><span class="cx">     , marginBeforeCollapse(o.marginBeforeCollapse)
</span><span class="lines">@@ -256,6 +256,7 @@
</span><span class="cx">         &amp;&amp; m_visitedLinkBorderBottomColor == o.m_visitedLinkBorderBottomColor
</span><span class="cx">         &amp;&amp; m_order == o.m_order
</span><span class="cx">         &amp;&amp; m_flowThread == o.m_flowThread
</span><ins>+        &amp;&amp; m_alignContent == o.m_alignContent
</ins><span class="cx">         &amp;&amp; m_alignItems == o.m_alignItems
</span><span class="cx">         &amp;&amp; m_alignSelf == o.m_alignSelf
</span><span class="cx">         &amp;&amp; m_justifyContent == o.m_justifyContent
</span><span class="lines">@@ -269,7 +270,6 @@
</span><span class="cx">         &amp;&amp; m_pageSizeType == o.m_pageSizeType
</span><span class="cx">         &amp;&amp; m_transformStyle3D == o.m_transformStyle3D
</span><span class="cx">         &amp;&amp; m_backfaceVisibility == o.m_backfaceVisibility
</span><del>-        &amp;&amp; m_alignContent == o.m_alignContent
</del><span class="cx">         &amp;&amp; userDrag == o.userDrag
</span><span class="cx">         &amp;&amp; textOverflow == o.textOverflow
</span><span class="cx">         &amp;&amp; marginBeforeCollapse == o.marginBeforeCollapse
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingstyleStyleRareNonInheritedDatah"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/style/StyleRareNonInheritedData.h (183804 => 183805)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/style/StyleRareNonInheritedData.h        2015-05-05 13:43:52 UTC (rev 183804)
+++ trunk/Source/WebCore/rendering/style/StyleRareNonInheritedData.h        2015-05-05 15:15:38 UTC (rev 183805)
</span><span class="lines">@@ -177,6 +177,7 @@
</span><span class="cx">     AtomicString m_flowThread;
</span><span class="cx">     AtomicString m_regionThread;
</span><span class="cx"> 
</span><ins>+    StyleContentAlignmentData m_alignContent;
</ins><span class="cx">     StyleSelfAlignmentData m_alignItems;
</span><span class="cx">     StyleSelfAlignmentData m_alignSelf;
</span><span class="cx">     StyleContentAlignmentData m_justifyContent;
</span><span class="lines">@@ -197,7 +198,6 @@
</span><span class="cx">     unsigned m_transformStyle3D : 1; // ETransformStyle3D
</span><span class="cx">     unsigned m_backfaceVisibility : 1; // EBackfaceVisibility
</span><span class="cx"> 
</span><del>-    unsigned m_alignContent : 3; // EAlignContent
</del><span class="cx"> 
</span><span class="cx">     unsigned userDrag : 2; // EUserDrag
</span><span class="cx">     unsigned textOverflow : 1; // Whether or not lines that spill out should be truncated with &quot;...&quot;
</span></span></pre>
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