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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/203623">203623</a></dd>
<dt>Author</dt> <dd>cdumez@apple.com</dd>
<dt>Date</dt> <dd>2016-07-22 15:56:15 -0700 (Fri, 22 Jul 2016)</dd>
</dl>

<h3>Log Message</h3>
<pre>First parameter to Window.getComputedStyle() should be mandatory and non-nullable
https://bugs.webkit.org/show_bug.cgi?id=160097

Reviewed by Ryosuke Niwa.

Source/WebCore:

First parameter to Window.getComputedStyle() should be mandatory and
non-nullable:
- https://drafts.csswg.org/cssom/#extensions-to-the-window-interface

Firefox and Chrome agree with the specification.

Test: fast/dom/Window/getComputedStyle-missing-parameter.html

* css/CSSComputedStyleDeclaration.cpp:
(WebCore::ComputedStyleExtractor::ComputedStyleExtractor):
(WebCore::CSSComputedStyleDeclaration::CSSComputedStyleDeclaration):
(WebCore::CSSComputedStyleDeclaration::getPropertyCSSValue):
(WebCore::CSSComputedStyleDeclaration::copyProperties):
(WebCore::CSSComputedStyleDeclaration::length):
(WebCore::CSSComputedStyleDeclaration::item):
(WebCore::CSSComputedStyleDeclaration::getPropertyValue):
* css/CSSComputedStyleDeclaration.h:
* dom/Document.idl:
* inspector/InspectorCSSAgent.cpp:
(WebCore::InspectorCSSAgent::getComputedStyleForNode):
* page/DOMWindow.cpp:
(WebCore::DOMWindow::getComputedStyle):
* page/DOMWindow.h:
* page/DOMWindow.idl:
* testing/Internals.cpp:
(WebCore::Internals::computedStyleIncludingVisitedInfo):
* testing/Internals.h:
* testing/Internals.idl:

LayoutTests:

Add test coverage.

* fast/dom/Window/getComputedStyle-missing-parameter-expected.txt: Added.
* fast/dom/Window/getComputedStyle-missing-parameter.html: Added.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</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="#trunkSourceWebCorecssCSSComputedStyleDeclarationh">trunk/Source/WebCore/css/CSSComputedStyleDeclaration.h</a></li>
<li><a href="#trunkSourceWebCoredomDocumentidl">trunk/Source/WebCore/dom/Document.idl</a></li>
<li><a href="#trunkSourceWebCoreinspectorInspectorCSSAgentcpp">trunk/Source/WebCore/inspector/InspectorCSSAgent.cpp</a></li>
<li><a href="#trunkSourceWebCorepageDOMWindowcpp">trunk/Source/WebCore/page/DOMWindow.cpp</a></li>
<li><a href="#trunkSourceWebCorepageDOMWindowh">trunk/Source/WebCore/page/DOMWindow.h</a></li>
<li><a href="#trunkSourceWebCorepageDOMWindowidl">trunk/Source/WebCore/page/DOMWindow.idl</a></li>
<li><a href="#trunkSourceWebCoretestingInternalscpp">trunk/Source/WebCore/testing/Internals.cpp</a></li>
<li><a href="#trunkSourceWebCoretestingInternalsh">trunk/Source/WebCore/testing/Internals.h</a></li>
<li><a href="#trunkSourceWebCoretestingInternalsidl">trunk/Source/WebCore/testing/Internals.idl</a></li>
</ul>

<h3>Added Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsfastdomWindowgetComputedStylemissingparameterexpectedtxt">trunk/LayoutTests/fast/dom/Window/getComputedStyle-missing-parameter-expected.txt</a></li>
<li><a href="#trunkLayoutTestsfastdomWindowgetComputedStylemissingparameterhtml">trunk/LayoutTests/fast/dom/Window/getComputedStyle-missing-parameter.html</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/LayoutTests/ChangeLog        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -1,3 +1,15 @@
</span><ins>+2016-07-22  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        First parameter to Window.getComputedStyle() should be mandatory and non-nullable
+        https://bugs.webkit.org/show_bug.cgi?id=160097
+
+        Reviewed by Ryosuke Niwa.
+
+        Add test coverage.
+
+        * fast/dom/Window/getComputedStyle-missing-parameter-expected.txt: Added.
+        * fast/dom/Window/getComputedStyle-missing-parameter.html: Added.
+
</ins><span class="cx"> 2016-07-22  Ryan Haddad  &lt;ryanhaddad@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Marking webaudio/audionode-connect-order.html as a flaky crash on mac-wk1 debug
</span></span></pre></div>
<a id="trunkLayoutTestsfastdomWindowgetComputedStylemissingparameterexpectedtxt"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/dom/Window/getComputedStyle-missing-parameter-expected.txt (0 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/dom/Window/getComputedStyle-missing-parameter-expected.txt                                (rev 0)
+++ trunk/LayoutTests/fast/dom/Window/getComputedStyle-missing-parameter-expected.txt        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -0,0 +1,11 @@
</span><ins>+Test that the first parameter to Window.getComputedStyle() is mandatory and not nullable.
+
+On success, you will see a series of &quot;PASS&quot; messages, followed by &quot;TEST COMPLETE&quot;.
+
+
+PASS window.getComputedStyle() threw exception TypeError: Not enough arguments.
+PASS window.getComputedStyle(null) threw exception TypeError: Argument 1 ('element') to DOMWindow.getComputedStyle must be an instance of Element.
+PASS successfullyParsed is true
+
+TEST COMPLETE
+
</ins></span></pre></div>
<a id="trunkLayoutTestsfastdomWindowgetComputedStylemissingparameterhtml"></a>
<div class="addfile"><h4>Added: trunk/LayoutTests/fast/dom/Window/getComputedStyle-missing-parameter.html (0 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/fast/dom/Window/getComputedStyle-missing-parameter.html                                (rev 0)
+++ trunk/LayoutTests/fast/dom/Window/getComputedStyle-missing-parameter.html        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -0,0 +1,13 @@
</span><ins>+&lt;!DOCTYPE html&gt;
+&lt;html&gt;
+&lt;body&gt;
+&lt;script src=&quot;../../../resources/js-test-pre.js&quot;&gt;&lt;/script&gt;
+&lt;script&gt;
+description(&quot;Test that the first parameter to Window.getComputedStyle() is mandatory and not nullable.&quot;);
+
+shouldThrow(&quot;window.getComputedStyle()&quot;, &quot;'TypeError: Not enough arguments'&quot;);
+shouldThrow(&quot;window.getComputedStyle(null)&quot;, &quot;'TypeError: Argument 1 (\\'element\\') to DOMWindow.getComputedStyle must be an instance of Element'&quot;);
+&lt;/script&gt;
+&lt;script src=&quot;../../../resources/js-test-post.js&quot;&gt;&lt;/script&gt;
+&lt;/body&gt;
+&lt;/html&gt;
</ins></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/Source/WebCore/ChangeLog        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -1,3 +1,39 @@
</span><ins>+2016-07-22  Chris Dumez  &lt;cdumez@apple.com&gt;
+
+        First parameter to Window.getComputedStyle() should be mandatory and non-nullable
+        https://bugs.webkit.org/show_bug.cgi?id=160097
+
+        Reviewed by Ryosuke Niwa.
+
+        First parameter to Window.getComputedStyle() should be mandatory and
+        non-nullable:
+        - https://drafts.csswg.org/cssom/#extensions-to-the-window-interface
+
+        Firefox and Chrome agree with the specification.
+
+        Test: fast/dom/Window/getComputedStyle-missing-parameter.html
+
+        * css/CSSComputedStyleDeclaration.cpp:
+        (WebCore::ComputedStyleExtractor::ComputedStyleExtractor):
+        (WebCore::CSSComputedStyleDeclaration::CSSComputedStyleDeclaration):
+        (WebCore::CSSComputedStyleDeclaration::getPropertyCSSValue):
+        (WebCore::CSSComputedStyleDeclaration::copyProperties):
+        (WebCore::CSSComputedStyleDeclaration::length):
+        (WebCore::CSSComputedStyleDeclaration::item):
+        (WebCore::CSSComputedStyleDeclaration::getPropertyValue):
+        * css/CSSComputedStyleDeclaration.h:
+        * dom/Document.idl:
+        * inspector/InspectorCSSAgent.cpp:
+        (WebCore::InspectorCSSAgent::getComputedStyleForNode):
+        * page/DOMWindow.cpp:
+        (WebCore::DOMWindow::getComputedStyle):
+        * page/DOMWindow.h:
+        * page/DOMWindow.idl:
+        * testing/Internals.cpp:
+        (WebCore::Internals::computedStyleIncludingVisitedInfo):
+        * testing/Internals.h:
+        * testing/Internals.idl:
+
</ins><span class="cx"> 2016-07-22  Brady Eidson  &lt;beidson@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Removing IndexedDatabases that have stored blobs doesn't remove the blob files.
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSComputedStyleDeclarationcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSComputedStyleDeclaration.cpp (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSComputedStyleDeclaration.cpp        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/Source/WebCore/css/CSSComputedStyleDeclaration.cpp        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -1581,8 +1581,8 @@
</span><span class="cx">     return CSSLineBoxContainValue::create(lineBoxContain);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-ComputedStyleExtractor::ComputedStyleExtractor(PassRefPtr&lt;Node&gt; node, bool allowVisitedStyle, PseudoId pseudoElementSpecifier)
-    : m_node(node)
</del><ins>+ComputedStyleExtractor::ComputedStyleExtractor(RefPtr&lt;Node&gt;&amp;&amp; node, bool allowVisitedStyle, PseudoId pseudoElementSpecifier)
+    : m_node(WTFMove(node))
</ins><span class="cx">     , m_pseudoElementSpecifier(pseudoElementSpecifier)
</span><span class="cx">     , m_allowVisitedStyle(allowVisitedStyle)
</span><span class="cx"> {
</span><span class="lines">@@ -1589,8 +1589,8 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> 
</span><del>-CSSComputedStyleDeclaration::CSSComputedStyleDeclaration(PassRefPtr&lt;Node&gt; n, bool allowVisitedStyle, const String&amp; pseudoElementName)
-    : m_node(n)
</del><ins>+CSSComputedStyleDeclaration::CSSComputedStyleDeclaration(Element&amp; element, bool allowVisitedStyle, const String&amp; pseudoElementName)
+    : m_element(element)
</ins><span class="cx">     , m_allowVisitedStyle(allowVisitedStyle)
</span><span class="cx">     , m_refCount(1)
</span><span class="cx"> {
</span><span class="lines">@@ -2322,12 +2322,12 @@
</span><span class="cx"> 
</span><span class="cx"> RefPtr&lt;CSSValue&gt; CSSComputedStyleDeclaration::getPropertyCSSValue(CSSPropertyID propertyID, EUpdateLayout updateLayout) const
</span><span class="cx"> {
</span><del>-    return ComputedStyleExtractor(m_node, m_allowVisitedStyle, m_pseudoElementSpecifier).propertyValue(propertyID, updateLayout);
</del><ins>+    return ComputedStyleExtractor(m_element.copyRef(), m_allowVisitedStyle, m_pseudoElementSpecifier).propertyValue(propertyID, updateLayout);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> Ref&lt;MutableStyleProperties&gt; CSSComputedStyleDeclaration::copyProperties() const
</span><span class="cx"> {
</span><del>-    return ComputedStyleExtractor(m_node, m_allowVisitedStyle, m_pseudoElementSpecifier).copyProperties();
</del><ins>+    return ComputedStyleExtractor(m_element.copyRef(), m_allowVisitedStyle, m_pseudoElementSpecifier).copyProperties();
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> static inline bool nodeOrItsAncestorNeedsStyleRecalc(const Node&amp; node)
</span><span class="lines">@@ -3944,13 +3944,10 @@
</span><span class="cx"> 
</span><span class="cx"> unsigned CSSComputedStyleDeclaration::length() const
</span><span class="cx"> {
</span><del>-    Node* node = m_node.get();
-    if (!node)
-        return 0;
</del><ins>+    auto&amp; element = m_element.get();
+    updateStyleIfNeededForNode(element);
</ins><span class="cx"> 
</span><del>-    updateStyleIfNeededForNode(*node);
-
-    auto* style = node-&gt;computedStyle(m_pseudoElementSpecifier);
</del><ins>+    auto* style = const_cast&lt;Element&amp;&gt;(element).computedStyle(m_pseudoElementSpecifier);
</ins><span class="cx">     if (!style)
</span><span class="cx">         return 0;
</span><span class="cx"> 
</span><span class="lines">@@ -3965,11 +3962,8 @@
</span><span class="cx">     if (i &lt; numComputedProperties)
</span><span class="cx">         return getPropertyNameString(computedProperties[i]);
</span><span class="cx">     
</span><del>-    Node* node = m_node.get();
-    if (!node)
-        return String();
-
-    auto* style = node-&gt;computedStyle(m_pseudoElementSpecifier);
</del><ins>+    auto&amp; element = m_element.get();
+    auto* style = const_cast&lt;Element&amp;&gt;(element).computedStyle(m_pseudoElementSpecifier);
</ins><span class="cx">     if (!style)
</span><span class="cx">         return String();
</span><span class="cx">     
</span><span class="lines">@@ -4073,7 +4067,7 @@
</span><span class="cx"> RefPtr&lt;CSSValue&gt; CSSComputedStyleDeclaration::getPropertyCSSValue(const String&amp; propertyName)
</span><span class="cx"> {
</span><span class="cx">     if (isCustomPropertyName(propertyName))
</span><del>-        return ComputedStyleExtractor(m_node, m_allowVisitedStyle, m_pseudoElementSpecifier).customPropertyValue(propertyName);
</del><ins>+        return ComputedStyleExtractor(m_element.copyRef(), m_allowVisitedStyle, m_pseudoElementSpecifier).customPropertyValue(propertyName);
</ins><span class="cx"> 
</span><span class="cx">     CSSPropertyID propertyID = cssPropertyID(propertyName);
</span><span class="cx">     if (!propertyID)
</span><span class="lines">@@ -4085,7 +4079,7 @@
</span><span class="cx"> String CSSComputedStyleDeclaration::getPropertyValue(const String &amp;propertyName)
</span><span class="cx"> {
</span><span class="cx">     if (isCustomPropertyName(propertyName))
</span><del>-        return ComputedStyleExtractor(m_node, m_allowVisitedStyle, m_pseudoElementSpecifier).customPropertyText(propertyName);
</del><ins>+        return ComputedStyleExtractor(m_element.copyRef(), m_allowVisitedStyle, m_pseudoElementSpecifier).customPropertyText(propertyName);
</ins><span class="cx"> 
</span><span class="cx">     CSSPropertyID propertyID = cssPropertyID(propertyName);
</span><span class="cx">     if (!propertyID)
</span></span></pre></div>
<a id="trunkSourceWebCorecssCSSComputedStyleDeclarationh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/css/CSSComputedStyleDeclaration.h (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/css/CSSComputedStyleDeclaration.h        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/Source/WebCore/css/CSSComputedStyleDeclaration.h        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -31,6 +31,7 @@
</span><span class="cx"> class CSSPrimitiveValue;
</span><span class="cx"> class CSSValueList;
</span><span class="cx"> class Color;
</span><ins>+class Element;
</ins><span class="cx"> class FilterOperations;
</span><span class="cx"> class MutableStyleProperties;
</span><span class="cx"> class Node;
</span><span class="lines">@@ -47,7 +48,7 @@
</span><span class="cx"> 
</span><span class="cx"> class ComputedStyleExtractor {
</span><span class="cx"> public:
</span><del>-    ComputedStyleExtractor(PassRefPtr&lt;Node&gt;, bool allowVisitedStyle = false, PseudoId = NOPSEUDO);
</del><ins>+    ComputedStyleExtractor(RefPtr&lt;Node&gt;&amp;&amp;, bool allowVisitedStyle = false, PseudoId = NOPSEUDO);
</ins><span class="cx"> 
</span><span class="cx">     RefPtr&lt;CSSValue&gt; propertyValue(CSSPropertyID, EUpdateLayout = UpdateLayout) const;
</span><span class="cx">     String customPropertyText(const String&amp; propertyName) const;
</span><span class="lines">@@ -87,9 +88,9 @@
</span><span class="cx"> 
</span><span class="cx"> class CSSComputedStyleDeclaration final : public CSSStyleDeclaration {
</span><span class="cx"> public:
</span><del>-    static Ref&lt;CSSComputedStyleDeclaration&gt; create(PassRefPtr&lt;Node&gt; node, bool allowVisitedStyle = false, const String&amp; pseudoElementName = String())
</del><ins>+    static Ref&lt;CSSComputedStyleDeclaration&gt; create(Element&amp; element, bool allowVisitedStyle = false, const String&amp; pseudoElementName = String())
</ins><span class="cx">     {
</span><del>-        return adoptRef(*new CSSComputedStyleDeclaration(node, allowVisitedStyle, pseudoElementName));
</del><ins>+        return adoptRef(*new CSSComputedStyleDeclaration(element, allowVisitedStyle, pseudoElementName));
</ins><span class="cx">     }
</span><span class="cx">     virtual ~CSSComputedStyleDeclaration();
</span><span class="cx"> 
</span><span class="lines">@@ -99,7 +100,7 @@
</span><span class="cx">     String getPropertyValue(CSSPropertyID) const;
</span><span class="cx"> 
</span><span class="cx"> private:
</span><del>-    WEBCORE_EXPORT CSSComputedStyleDeclaration(PassRefPtr&lt;Node&gt;, bool allowVisitedStyle, const String&amp;);
</del><ins>+    WEBCORE_EXPORT CSSComputedStyleDeclaration(Element&amp;, bool allowVisitedStyle, const String&amp;);
</ins><span class="cx"> 
</span><span class="cx">     // CSSOM functions. Don't make these public.
</span><span class="cx">     CSSRule* parentRule() const override;
</span><span class="lines">@@ -121,7 +122,7 @@
</span><span class="cx"> 
</span><span class="cx">     RefPtr&lt;CSSValue&gt; getPropertyCSSValue(CSSPropertyID, EUpdateLayout = UpdateLayout) const;
</span><span class="cx"> 
</span><del>-    RefPtr&lt;Node&gt; m_node;
</del><ins>+    Ref&lt;Element&gt; m_element;
</ins><span class="cx">     PseudoId m_pseudoElementSpecifier;
</span><span class="cx">     bool m_allowVisitedStyle;
</span><span class="cx">     unsigned m_refCount;
</span></span></pre></div>
<a id="trunkSourceWebCoredomDocumentidl"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/dom/Document.idl (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/dom/Document.idl        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/Source/WebCore/dom/Document.idl        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -219,8 +219,7 @@
</span><span class="cx"> 
</span><span class="cx"> #if defined(LANGUAGE_OBJECTIVE_C) &amp;&amp; LANGUAGE_OBJECTIVE_C
</span><span class="cx">     // DOM Level 2 Style Interface
</span><del>-    [ObjCLegacyUnnamedParameters, ObjCUseDefaultView] CSSStyleDeclaration getComputedStyle(Element? element,
-                                                                  DOMString pseudoElement);
</del><ins>+    [ObjCLegacyUnnamedParameters, ObjCUseDefaultView] CSSStyleDeclaration getComputedStyle(Element element, DOMString pseudoElement);
</ins><span class="cx"> 
</span><span class="cx">     // WebKit extension
</span><span class="cx">     // FIXME: remove the first version once optional is implemented for Objective-C.
</span></span></pre></div>
<a id="trunkSourceWebCoreinspectorInspectorCSSAgentcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/inspector/InspectorCSSAgent.cpp (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/inspector/InspectorCSSAgent.cpp        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/Source/WebCore/inspector/InspectorCSSAgent.cpp        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -643,7 +643,7 @@
</span><span class="cx">     if (!element)
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    RefPtr&lt;CSSComputedStyleDeclaration&gt; computedStyleInfo = CSSComputedStyleDeclaration::create(element, true);
</del><ins>+    RefPtr&lt;CSSComputedStyleDeclaration&gt; computedStyleInfo = CSSComputedStyleDeclaration::create(*element, true);
</ins><span class="cx">     Ref&lt;InspectorStyle&gt; inspectorStyle = InspectorStyle::create(InspectorCSSId(), computedStyleInfo, nullptr);
</span><span class="cx">     style = inspectorStyle-&gt;buildArrayForComputedStyle();
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCorepageDOMWindowcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/DOMWindow.cpp (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/DOMWindow.cpp        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/Source/WebCore/page/DOMWindow.cpp        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -1396,11 +1396,8 @@
</span><span class="cx">     return m_media;
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-RefPtr&lt;CSSStyleDeclaration&gt; DOMWindow::getComputedStyle(Element* element, const String&amp; pseudoElt) const
</del><ins>+RefPtr&lt;CSSStyleDeclaration&gt; DOMWindow::getComputedStyle(Element&amp; element, const String&amp; pseudoElt) const
</ins><span class="cx"> {
</span><del>-    if (!element)
-        return nullptr;
-
</del><span class="cx">     return CSSComputedStyleDeclaration::create(element, false, pseudoElt);
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorepageDOMWindowh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/DOMWindow.h (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/DOMWindow.h        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/Source/WebCore/page/DOMWindow.h        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -228,7 +228,7 @@
</span><span class="cx"> 
</span><span class="cx">         // DOM Level 2 Style Interface
</span><span class="cx"> 
</span><del>-        RefPtr&lt;CSSStyleDeclaration&gt; getComputedStyle(Element*, const String&amp; pseudoElt) const;
</del><ins>+        RefPtr&lt;CSSStyleDeclaration&gt; getComputedStyle(Element&amp;, const String&amp; pseudoElt) const;
</ins><span class="cx"> 
</span><span class="cx">         // WebKit extensions
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCorepageDOMWindowidl"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/page/DOMWindow.idl (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/page/DOMWindow.idl        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/Source/WebCore/page/DOMWindow.idl        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -151,7 +151,7 @@
</span><span class="cx">     readonly attribute StyleMedia styleMedia;
</span><span class="cx"> 
</span><span class="cx">     // DOM Level 2 Style Interface
</span><del>-    CSSStyleDeclaration getComputedStyle(optional Element? element = null, optional DOMString? pseudoElement = null);
</del><ins>+    [NewObject] CSSStyleDeclaration getComputedStyle(Element element, optional DOMString? pseudoElement = null);
</ins><span class="cx"> 
</span><span class="cx">     // WebKit extensions
</span><span class="cx"> #if defined(LANGUAGE_JAVASCRIPT) &amp;&amp; LANGUAGE_JAVASCRIPT
</span></span></pre></div>
<a id="trunkSourceWebCoretestingInternalscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/testing/Internals.cpp (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/testing/Internals.cpp        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/Source/WebCore/testing/Internals.cpp        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -783,10 +783,10 @@
</span><span class="cx">     return element.renderer() &amp;&amp; element.renderer()-&gt;hasPausedImageAnimations();
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-RefPtr&lt;CSSComputedStyleDeclaration&gt; Internals::computedStyleIncludingVisitedInfo(Node&amp; node) const
</del><ins>+RefPtr&lt;CSSComputedStyleDeclaration&gt; Internals::computedStyleIncludingVisitedInfo(Element&amp; element) const
</ins><span class="cx"> {
</span><span class="cx">     bool allowVisitedStyle = true;
</span><del>-    return CSSComputedStyleDeclaration::create(&amp;node, allowVisitedStyle);
</del><ins>+    return CSSComputedStyleDeclaration::create(element, allowVisitedStyle);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> Node* Internals::ensureShadowRoot(Element&amp; host, ExceptionCode&amp; ec)
</span></span></pre></div>
<a id="trunkSourceWebCoretestingInternalsh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/testing/Internals.h (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/testing/Internals.h        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/Source/WebCore/testing/Internals.h        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -107,7 +107,7 @@
</span><span class="cx">     void clearPageCache();
</span><span class="cx">     unsigned pageCacheSize() const;
</span><span class="cx"> 
</span><del>-    RefPtr&lt;CSSComputedStyleDeclaration&gt; computedStyleIncludingVisitedInfo(Node&amp;) const;
</del><ins>+    RefPtr&lt;CSSComputedStyleDeclaration&gt; computedStyleIncludingVisitedInfo(Element&amp;) const;
</ins><span class="cx"> 
</span><span class="cx">     Node* ensureShadowRoot(Element&amp; host, ExceptionCode&amp;);
</span><span class="cx">     Node* ensureUserAgentShadowRoot(Element&amp; host);
</span></span></pre></div>
<a id="trunkSourceWebCoretestingInternalsidl"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/testing/Internals.idl (203622 => 203623)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/testing/Internals.idl        2016-07-22 22:32:01 UTC (rev 203622)
+++ trunk/Source/WebCore/testing/Internals.idl        2016-07-22 22:56:15 UTC (rev 203623)
</span><span class="lines">@@ -98,7 +98,7 @@
</span><span class="cx">     void clearPageCache();
</span><span class="cx">     unsigned long pageCacheSize();
</span><span class="cx"> 
</span><del>-    CSSStyleDeclaration computedStyleIncludingVisitedInfo(Node node);
</del><ins>+    CSSStyleDeclaration computedStyleIncludingVisitedInfo(Element element);
</ins><span class="cx"> 
</span><span class="cx">     [RaisesException] Node ensureShadowRoot(Element host);
</span><span class="cx">     Node ensureUserAgentShadowRoot(Element host);
</span></span></pre>
</div>
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