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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/172505">172505</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2014-08-12 16:15:00 -0700 (Tue, 12 Aug 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Unreviewed, rolling out <a href="http://trac.webkit.org/projects/webkit/changeset/172494">r172494</a>.
https://bugs.webkit.org/show_bug.cgi?id=135864

asserting on bots (Requested by kling on #webkit).

Reverted changeset:

&quot;Don't recurse into non-rendered subtrees when computing
style&quot;
https://bugs.webkit.org/show_bug.cgi?id=135844
http://trac.webkit.org/changeset/172494</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestshttptestssecurityvideopostercrossorigincrashexpectedtxt">trunk/LayoutTests/http/tests/security/video-poster-cross-origin-crash-expected.txt</a></li>
<li><a href="#trunkLayoutTestsplatformmacfastrubyrubybasemergeblockchildrencrash2expectedtxt">trunk/LayoutTests/platform/mac/fast/ruby/ruby-base-merge-block-children-crash-2-expected.txt</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCorestyleStyleResolveTreecpp">trunk/Source/WebCore/style/StyleResolveTree.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (172504 => 172505)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2014-08-12 23:13:18 UTC (rev 172504)
+++ trunk/LayoutTests/ChangeLog        2014-08-12 23:15:00 UTC (rev 172505)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2014-08-12  Commit Queue  &lt;commit-queue@webkit.org&gt;
+
+        Unreviewed, rolling out r172494.
+        https://bugs.webkit.org/show_bug.cgi?id=135864
+
+        asserting on bots (Requested by kling on #webkit).
+
+        Reverted changeset:
+
+        &quot;Don't recurse into non-rendered subtrees when computing
+        style&quot;
+        https://bugs.webkit.org/show_bug.cgi?id=135844
+        http://trac.webkit.org/changeset/172494
+
</ins><span class="cx"> 2014-08-12  Myles C. Maxfield  &lt;mmaxfield@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Fonts forced to use non synthetic italics might be laid out with the incorrect baseline
</span></span></pre></div>
<a id="trunkLayoutTestshttptestssecurityvideopostercrossorigincrashexpectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/http/tests/security/video-poster-cross-origin-crash-expected.txt (172504 => 172505)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/http/tests/security/video-poster-cross-origin-crash-expected.txt        2014-08-12 23:13:18 UTC (rev 172504)
+++ trunk/LayoutTests/http/tests/security/video-poster-cross-origin-crash-expected.txt        2014-08-12 23:15:00 UTC (rev 172505)
</span><span class="lines">@@ -1,2 +1,3 @@
</span><span class="cx"> CONSOLE MESSAGE: Cross-origin image load denied by Cross-Origin Resource Sharing policy.
</span><ins>+CONSOLE MESSAGE: Cross-origin image load denied by Cross-Origin Resource Sharing policy.
</ins><span class="cx"> &gt;&gt;&gt;
</span></span></pre></div>
<a id="trunkLayoutTestsplatformmacfastrubyrubybasemergeblockchildrencrash2expectedtxt"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/platform/mac/fast/ruby/ruby-base-merge-block-children-crash-2-expected.txt (172504 => 172505)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/mac/fast/ruby/ruby-base-merge-block-children-crash-2-expected.txt        2014-08-12 23:13:18 UTC (rev 172504)
+++ trunk/LayoutTests/platform/mac/fast/ruby/ruby-base-merge-block-children-crash-2-expected.txt        2014-08-12 23:15:00 UTC (rev 172505)
</span><span class="lines">@@ -4,7 +4,7 @@
</span><span class="cx">   RenderBlock {HTML} at (0,0) size 800x600
</span><span class="cx">     RenderBody {BODY} at (8,8) size 784x584
</span><span class="cx">       RenderBlock {SUMMARY} at (0,0) size 784x184
</span><del>-        RenderInline {I} at (0,0) size 604x18
</del><ins>+        RenderInline {I} at (0,0) size 304x18
</ins><span class="cx">           RenderRuby (inline) {RUBY} at (0,0) size 300x18
</span><span class="cx">             RenderRubyRun (anonymous) at (0,171) size 0x0
</span><span class="cx">               RenderRubyText {RT} at (0,0) size 0x0
</span><span class="lines">@@ -20,7 +20,7 @@
</span><span class="cx">                   RenderBlock {DIV} at (0,150) size 300x-8
</span><span class="cx">           RenderText {#text} at (300,157) size 4x18
</span><span class="cx">             text run at (300,157) width 4: &quot; &quot;
</span><del>-          RenderEmbeddedObject {OBJECT} at (304,21) size 300x150
</del><ins>+        RenderEmbeddedObject {OBJECT} at (304,21) size 300x150
</ins><span class="cx">         RenderText {#text} at (0,0) size 0x0
</span><span class="cx">       RenderBlock {DIV} at (0,184) size 784x18
</span><span class="cx">         RenderInline {A} at (0,0) size 138x18 [color=#0000EE]
</span><span class="lines">@@ -29,4 +29,4 @@
</span><span class="cx">         RenderText {#text} at (138,0) size 455x18
</span><span class="cx">           text run at (138,0) width 455: &quot;. This test must be run under Guard Malloc. It passes if it does not crash.&quot;
</span><span class="cx"> selection start: position 0 of child 1 {OBJECT} of child 3 {H1} of child 0 {RUBY} of child 1 {I} of child 0 {SUMMARY} of body
</span><del>-selection end:   position 1 of child 2 {OBJECT} of child 1 {I} of child 0 {SUMMARY} of body
</del><ins>+selection end:   position 0 of child 3 {#text} of child 0 {SUMMARY} of body
</ins></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (172504 => 172505)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-08-12 23:13:18 UTC (rev 172504)
+++ trunk/Source/WebCore/ChangeLog        2014-08-12 23:15:00 UTC (rev 172505)
</span><span class="lines">@@ -1,3 +1,17 @@
</span><ins>+2014-08-12  Commit Queue  &lt;commit-queue@webkit.org&gt;
+
+        Unreviewed, rolling out r172494.
+        https://bugs.webkit.org/show_bug.cgi?id=135864
+
+        asserting on bots (Requested by kling on #webkit).
+
+        Reverted changeset:
+
+        &quot;Don't recurse into non-rendered subtrees when computing
+        style&quot;
+        https://bugs.webkit.org/show_bug.cgi?id=135844
+        http://trac.webkit.org/changeset/172494
+
</ins><span class="cx"> 2014-08-12  Myles C. Maxfield  &lt;mmaxfield@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Fonts forced to use non synthetic italics might be laid out with the incorrect baseline
</span></span></pre></div>
<a id="trunkSourceWebCorestyleStyleResolveTreecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/style/StyleResolveTree.cpp (172504 => 172505)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/style/StyleResolveTree.cpp        2014-08-12 23:13:18 UTC (rev 172504)
+++ trunk/Source/WebCore/style/StyleResolveTree.cpp        2014-08-12 23:15:00 UTC (rev 172505)
</span><span class="lines">@@ -555,27 +555,6 @@
</span><span class="cx">     current.clearAfterPseudoElement();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-static void resetStyleForNonRenderedDescendants(Element&amp; current)
-{
-    ASSERT(!current.renderStyle());
-    auto descendants = descendantsOfType&lt;Element&gt;(current);
-    auto it = descendants.begin();
-    auto end = descendants.end();
-    while (it != end) {
-        auto&amp; element = *it;
-        ASSERT(!element.renderStyle());
-        if (element.needsStyleRecalc()) {
-            element.resetComputedStyle();
-            element.clearNeedsStyleRecalc();
-        }
-        if (element.childNeedsStyleRecalc()) {
-            element.clearChildNeedsStyleRecalc();
-            it.traverseNext();
-        } else
-            it.traverseNextSkippingChildren();
-    }
-}
-
</del><span class="cx"> static bool needsPseudoElement(Element&amp; current, PseudoId pseudoId)
</span><span class="cx"> {
</span><span class="cx">     if (!current.document().styleSheetCollection().usesBeforeAfterRules())
</span><span class="lines">@@ -603,41 +582,36 @@
</span><span class="cx">     PostResolutionCallbackDisabler callbackDisabler(current.document());
</span><span class="cx">     WidgetHierarchyUpdatesSuspensionScope suspendWidgetHierarchyUpdates;
</span><span class="cx"> 
</span><del>-    if (isInsertionPoint(current)) {
-        attachDistributedChildren(toInsertionPoint(current), inheritedStyle, renderTreePosition);
-        return;
-    }
-
</del><span class="cx">     if (current.hasCustomStyleResolveCallbacks())
</span><span class="cx">         current.willAttachRenderers();
</span><span class="cx"> 
</span><span class="cx">     createRendererIfNeeded(current, inheritedStyle, renderTreePosition, resolvedStyle);
</span><span class="cx"> 
</span><del>-    if (RenderStyle* style = current.renderStyle()) {
-        StyleResolverParentPusher parentPusher(&amp;current);
</del><ins>+    StyleResolverParentPusher parentPusher(&amp;current);
</ins><span class="cx"> 
</span><del>-        RenderTreePosition childRenderTreePosition(current.renderer());
-        attachBeforeOrAfterPseudoElementIfNeeded(current, BEFORE, childRenderTreePosition);
</del><ins>+    RenderTreePosition childRenderTreePosition(current.renderer());
+    attachBeforeOrAfterPseudoElementIfNeeded(current, BEFORE, childRenderTreePosition);
</ins><span class="cx"> 
</span><del>-        if (ShadowRoot* shadowRoot = current.shadowRoot()) {
-            parentPusher.push();
-            attachShadowRoot(*shadowRoot);
-        } else if (current.firstChild())
-            parentPusher.push();
</del><ins>+    if (ShadowRoot* shadowRoot = current.shadowRoot()) {
+        parentPusher.push();
+        attachShadowRoot(*shadowRoot);
+    } else if (current.firstChild())
+        parentPusher.push();
</ins><span class="cx"> 
</span><del>-        attachChildren(current, style, childRenderTreePosition);
</del><ins>+    if (isInsertionPoint(current))
+        attachDistributedChildren(toInsertionPoint(current), inheritedStyle, renderTreePosition);
+    else
+        attachChildren(current, current.renderStyle(), childRenderTreePosition);
</ins><span class="cx"> 
</span><del>-        if (AXObjectCache* cache = current.document().axObjectCache())
-            cache-&gt;updateCacheAfterNodeIsAttached(&amp;current);
</del><ins>+    current.clearNeedsStyleRecalc();
+    current.clearChildNeedsStyleRecalc();
</ins><span class="cx"> 
</span><del>-        attachBeforeOrAfterPseudoElementIfNeeded(current, AFTER, childRenderTreePosition);
</del><ins>+    if (AXObjectCache* cache = current.document().axObjectCache())
+        cache-&gt;updateCacheAfterNodeIsAttached(&amp;current);
</ins><span class="cx"> 
</span><del>-        current.updateFocusAppearanceAfterAttachIfNeeded();
-    } else
-        resetStyleForNonRenderedDescendants(current);
</del><ins>+    attachBeforeOrAfterPseudoElementIfNeeded(current, AFTER, childRenderTreePosition);
</ins><span class="cx"> 
</span><del>-    current.clearNeedsStyleRecalc();
-    current.clearChildNeedsStyleRecalc();
</del><ins>+    current.updateFocusAppearanceAfterAttachIfNeeded();
</ins><span class="cx"> 
</span><span class="cx">     if (current.hasCustomStyleResolveCallbacks())
</span><span class="cx">         current.didAttachRenderers();
</span><span class="lines">@@ -910,9 +884,7 @@
</span><span class="cx">     if (inheritedStyle &amp;&amp; (change &gt;= Inherit || current.needsStyleRecalc()))
</span><span class="cx">         change = resolveLocal(current, inheritedStyle, renderTreePosition, change);
</span><span class="cx"> 
</span><del>-    RenderStyle* style = current.renderStyle();
-
-    if (change != Detach &amp;&amp; style) {
</del><ins>+    if (change != Detach) {
</ins><span class="cx">         StyleResolverParentPusher parentPusher(&amp;current);
</span><span class="cx"> 
</span><span class="cx">         if (ShadowRoot* shadowRoot = current.shadowRoot()) {
</span><span class="lines">@@ -945,7 +917,7 @@
</span><span class="cx">                 childElement-&gt;setNeedsStyleRecalc();
</span><span class="cx">             if (change &gt;= Inherit || childElement-&gt;childNeedsStyleRecalc() || childElement-&gt;needsStyleRecalc()) {
</span><span class="cx">                 parentPusher.push();
</span><del>-                resolveTree(*childElement, style, childRenderTreePosition, change);
</del><ins>+                resolveTree(*childElement, current.renderStyle(), childRenderTreePosition, change);
</ins><span class="cx">             }
</span><span class="cx">             forceCheckOfNextElementSibling = childRulesChanged &amp;&amp; hasDirectAdjacentRules;
</span><span class="cx">             forceCheckOfAnyElementSibling = forceCheckOfAnyElementSibling || (childRulesChanged &amp;&amp; hasIndirectAdjacentRules);
</span><span class="lines">@@ -953,8 +925,6 @@
</span><span class="cx"> 
</span><span class="cx">         updateBeforeOrAfterPseudoElement(current, change, AFTER, childRenderTreePosition);
</span><span class="cx">     }
</span><del>-    if (change != Detach &amp;&amp; !style)
-        resetStyleForNonRenderedDescendants(current);
</del><span class="cx"> 
</span><span class="cx">     current.clearNeedsStyleRecalc();
</span><span class="cx">     current.clearChildNeedsStyleRecalc();
</span></span></pre>
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