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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/180398">180398</a></dd>
<dt>Author</dt> <dd>bshafiei@apple.com</dd>
<dt>Date</dt> <dd>2015-02-20 01:43:41 -0800 (Fri, 20 Feb 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>Merged <a href="http://trac.webkit.org/projects/webkit/changeset/179776">r179776</a>. rdar://problem/19871004</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#branchessafari6001415branchLayoutTestsChangeLog">branches/safari-600.1.4.15-branch/LayoutTests/ChangeLog</a></li>
<li><a href="#branchessafari6001415branchSourceWebCoreChangeLog">branches/safari-600.1.4.15-branch/Source/WebCore/ChangeLog</a></li>
<li><a href="#branchessafari6001415branchSourceWebCorerenderingRenderObjectcpp">branches/safari-600.1.4.15-branch/Source/WebCore/rendering/RenderObject.cpp</a></li>
</ul>
<h3>Added Paths</h3>
<ul>
<li><a href="#branchessafari6001415branchLayoutTestscompositingrepaintcontainerassertionwhentogglingcompositingexpectedtxt">branches/safari-600.1.4.15-branch/LayoutTests/compositing/repaint-container-assertion-when-toggling-compositing-expected.txt</a></li>
<li><a href="#branchessafari6001415branchLayoutTestscompositingrepaintcontainerassertionwhentogglingcompositinghtml">branches/safari-600.1.4.15-branch/LayoutTests/compositing/repaint-container-assertion-when-toggling-compositing.html</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="branchessafari6001415branchLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-600.1.4.15-branch/LayoutTests/ChangeLog (180397 => 180398)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.1.4.15-branch/LayoutTests/ChangeLog        2015-02-20 09:40:36 UTC (rev 180397)
+++ branches/safari-600.1.4.15-branch/LayoutTests/ChangeLog        2015-02-20 09:43:41 UTC (rev 180398)
</span><span class="lines">@@ -1,5 +1,23 @@
</span><span class="cx"> 2015-02-20 Babak Shafiei <bshafiei@apple.com>
</span><span class="cx">
</span><ins>+ Merge r179776.
+
+ 2015-02-06 Zalan Bujtas <zalan@apple.com>
+
+ ASSERT repaintContainer->hasLayer() in WebCore::RenderObject::repaintUsingContainer
+ https://bugs.webkit.org/show_bug.cgi?id=140750
+
+ Reviewed by Simon Fraser.
+
+ There's a short period of time when RenderObject::layer() still returns a valid pointer
+ even though we already cleared the hasLayer() flag.
+ Do not use the layer as repaint container in such cases.
+
+ * compositing/repaint-container-assertion-when-toggling-compositing-expected.txt: Added.
+ * compositing/repaint-container-assertion-when-toggling-compositing.html: Added.
+
+2015-02-20 Babak Shafiei <bshafiei@apple.com>
+
</ins><span class="cx"> Merge r178224.
</span><span class="cx">
</span><span class="cx"> 2015-01-09 Joseph Pecoraro <pecoraro@apple.com>
</span></span></pre></div>
<a id="branchessafari6001415branchLayoutTestscompositingrepaintcontainerassertionwhentogglingcompositingexpectedtxtfromrev180375branchessafari6005branchLayoutTestscompositingrepaintcontainerassertionwhentogglingcompositingexpectedtxt"></a>
<div class="copfile"><h4>Copied: branches/safari-600.1.4.15-branch/LayoutTests/compositing/repaint-container-assertion-when-toggling-compositing-expected.txt (from rev 180375, branches/safari-600.5-branch/LayoutTests/compositing/repaint-container-assertion-when-toggling-compositing-expected.txt) (0 => 180398)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.1.4.15-branch/LayoutTests/compositing/repaint-container-assertion-when-toggling-compositing-expected.txt         (rev 0)
+++ branches/safari-600.1.4.15-branch/LayoutTests/compositing/repaint-container-assertion-when-toggling-compositing-expected.txt        2015-02-20 09:43:41 UTC (rev 180398)
</span><span class="lines">@@ -0,0 +1 @@
</span><ins>+PASS if no crash or assert in debug mode.
</ins></span></pre></div>
<a id="branchessafari6001415branchLayoutTestscompositingrepaintcontainerassertionwhentogglingcompositinghtmlfromrev180375branchessafari6005branchLayoutTestscompositingrepaintcontainerassertionwhentogglingcompositinghtml"></a>
<div class="copfile"><h4>Copied: branches/safari-600.1.4.15-branch/LayoutTests/compositing/repaint-container-assertion-when-toggling-compositing.html (from rev 180375, branches/safari-600.5-branch/LayoutTests/compositing/repaint-container-assertion-when-toggling-compositing.html) (0 => 180398)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.1.4.15-branch/LayoutTests/compositing/repaint-container-assertion-when-toggling-compositing.html         (rev 0)
+++ branches/safari-600.1.4.15-branch/LayoutTests/compositing/repaint-container-assertion-when-toggling-compositing.html        2015-02-20 09:43:41 UTC (rev 180398)
</span><span class="lines">@@ -0,0 +1,23 @@
</span><ins>+<!DOCTYPE html>
+<html>
+<head>
+<title>This tests that we don't assert while finding the repaint container for the content that just lost compositing.</title>
+<script>
+ if (window.testRunner)
+ testRunner.dumpAsText();
+</script>
+</head>
+<body>
+<div style="-webkit-columns: 4;">PASS if no crash or assert in debug mode.</div>
+<script>
+ var head = document.getElementsByTagName("head")[0];
+ var div = document.getElementsByTagName("div")[0];
+ var style = document.createElement("style");
+ style.innerHTML="div {-webkit-animation-duration: 1s; -webkit-animation-timing-function: ease-in;}";
+ head.appendChild(style);
+ head.parentNode.removeChild(head);
+ document.execCommand("SelectAll");
+ div.setAttribute("style","color: red;");
+</script>
+</body>
+</html>
</ins><span class="cx">\ No newline at end of file
</span></span></pre></div>
<a id="branchessafari6001415branchSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: branches/safari-600.1.4.15-branch/Source/WebCore/ChangeLog (180397 => 180398)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.1.4.15-branch/Source/WebCore/ChangeLog        2015-02-20 09:40:36 UTC (rev 180397)
+++ branches/safari-600.1.4.15-branch/Source/WebCore/ChangeLog        2015-02-20 09:43:41 UTC (rev 180398)
</span><span class="lines">@@ -1,3 +1,23 @@
</span><ins>+2015-02-20 Babak Shafiei <bshafiei@apple.com>
+
+ Merge r179776.
+
+ 2015-02-06 Zalan Bujtas <zalan@apple.com>
+
+ ASSERT repaintContainer->hasLayer() in WebCore::RenderObject::repaintUsingContainer
+ https://bugs.webkit.org/show_bug.cgi?id=140750
+
+ Reviewed by Simon Fraser.
+
+ There's a short period of time when RenderObject::layer() still returns a valid pointer
+ even though we already cleared the hasLayer() flag.
+ Do not use the layer as repaint container in such cases.
+
+ Test: compositing/repaint-container-assertion-when-toggling-compositing.html
+
+ * rendering/RenderObject.cpp:
+ (WebCore::RenderObject::enclosingLayer):
+
</ins><span class="cx"> 2015-02-13 Lucas Forschler <lforschler@apple.com>
</span><span class="cx">
</span><span class="cx"> Merge r179768
</span></span></pre></div>
<a id="branchessafari6001415branchSourceWebCorerenderingRenderObjectcpp"></a>
<div class="modfile"><h4>Modified: branches/safari-600.1.4.15-branch/Source/WebCore/rendering/RenderObject.cpp (180397 => 180398)</h4>
<pre class="diff"><span>
<span class="info">--- branches/safari-600.1.4.15-branch/Source/WebCore/rendering/RenderObject.cpp        2015-02-20 09:40:36 UTC (rev 180397)
+++ branches/safari-600.1.4.15-branch/Source/WebCore/rendering/RenderObject.cpp        2015-02-20 09:43:41 UTC (rev 180398)
</span><span class="lines">@@ -474,7 +474,7 @@
</span><span class="cx"> RenderLayer* RenderObject::enclosingLayer() const
</span><span class="cx"> {
</span><span class="cx"> for (auto& renderer : lineageOfType<RenderLayerModelObject>(*this)) {
</span><del>- if (renderer.layer())
</del><ins>+ if (renderer.hasLayer())
</ins><span class="cx"> return renderer.layer();
</span><span class="cx"> }
</span><span class="cx"> return nullptr;
</span></span></pre>
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