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<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/213032">213032</a></dd>
<dt>Author</dt> <dd>carlosgc@webkit.org</dd>
<dt>Date</dt> <dd>2017-02-26 23:55:01 -0800 (Sun, 26 Feb 2017)</dd>
</dl>

<h3>Log Message</h3>
<pre>Merge <a href="http://trac.webkit.org/projects/webkit/changeset/212698">r212698</a> - ASSERTION FAILED: m_normalWorld-&gt;hasOneRef() under WorkerThread::stop
https://bugs.webkit.org/show_bug.cgi?id=168356
&lt;rdar://problem/30592486&gt;

Patch by Joseph Pecoraro &lt;pecoraro@apple.com&gt; on 2017-02-20
Reviewed by Ryosuke Niwa.

Source/WebCore:

* page/DOMWindow.cpp:
(WebCore::DOMWindow::removeAllEventListeners):
Remove Performance object EventListeners.

* workers/WorkerGlobalScope.cpp:
(WebCore::WorkerGlobalScope::~WorkerGlobalScope):
(WebCore::WorkerGlobalScope::removeAllEventListeners):
(WebCore::WorkerGlobalScope::performance):
* workers/WorkerGlobalScope.h:
Remove Performance object EventListeners.
Also clear Performance early in destruction since its ContextDestructionObserver
destruction makes checks about the WorkerThread.

LayoutTests:

* TestExpectations:
Unskip tests now that they no longer trigger assertions.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#releasesWebKitGTKwebkit216LayoutTestsChangeLog">releases/WebKitGTK/webkit-2.16/LayoutTests/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit216LayoutTestsTestExpectations">releases/WebKitGTK/webkit-2.16/LayoutTests/TestExpectations</a></li>
<li><a href="#releasesWebKitGTKwebkit216SourceWebCoreChangeLog">releases/WebKitGTK/webkit-2.16/Source/WebCore/ChangeLog</a></li>
<li><a href="#releasesWebKitGTKwebkit216SourceWebCorepageDOMWindowcpp">releases/WebKitGTK/webkit-2.16/Source/WebCore/page/DOMWindow.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit216SourceWebCoreworkersWorkerGlobalScopecpp">releases/WebKitGTK/webkit-2.16/Source/WebCore/workers/WorkerGlobalScope.cpp</a></li>
<li><a href="#releasesWebKitGTKwebkit216SourceWebCoreworkersWorkerGlobalScopeh">releases/WebKitGTK/webkit-2.16/Source/WebCore/workers/WorkerGlobalScope.h</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="releasesWebKitGTKwebkit216LayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.16/LayoutTests/ChangeLog (213031 => 213032)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.16/LayoutTests/ChangeLog        2017-02-27 07:52:15 UTC (rev 213031)
+++ releases/WebKitGTK/webkit-2.16/LayoutTests/ChangeLog        2017-02-27 07:55:01 UTC (rev 213032)
</span><span class="lines">@@ -1,3 +1,14 @@
</span><ins>+2017-02-20  Joseph Pecoraro  &lt;pecoraro@apple.com&gt;
+
+        ASSERTION FAILED: m_normalWorld-&gt;hasOneRef() under WorkerThread::stop
+        https://bugs.webkit.org/show_bug.cgi?id=168356
+        &lt;rdar://problem/30592486&gt;
+
+        Reviewed by Ryosuke Niwa.
+
+        * TestExpectations:
+        Unskip tests now that they no longer trigger assertions.
+
</ins><span class="cx"> 2017-02-20  Zalan Bujtas  &lt;zalan@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Simple line layout: Implement absoluteQuadsForRange.
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit216LayoutTestsTestExpectations"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.16/LayoutTests/TestExpectations (213031 => 213032)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.16/LayoutTests/TestExpectations        2017-02-27 07:52:15 UTC (rev 213031)
+++ releases/WebKitGTK/webkit-2.16/LayoutTests/TestExpectations        2017-02-27 07:55:01 UTC (rev 213032)
</span><span class="lines">@@ -310,9 +310,8 @@
</span><span class="cx"> # Failing assertion with dynamic message
</span><span class="cx"> imported/w3c/web-platform-tests/XMLHttpRequest/responsexml-document-properties.htm [ Failure ]
</span><span class="cx"> 
</span><del>-# Failing with dynamic URLs.
</del><ins>+webkit.org/b/161088 imported/w3c/web-platform-tests/resource-timing/resource-timing.html [ Pass Failure ]
</ins><span class="cx"> webkit.org/b/168357 imported/w3c/web-platform-tests/resource-timing/rt-initiatorType-media.html [ Failure ]
</span><del>-
</del><span class="cx"> webkit.org/b/168448 imported/w3c/web-platform-tests/resource-timing/rt-shared-resource-in-frames.html [ Pass Failure ]
</span><span class="cx"> webkit.org/b/168448 imported/w3c/web-platform-tests/resource-timing/rt-shared-resource-in-workers.html [ Pass Failure ]
</span><span class="cx"> 
</span><span class="lines">@@ -979,10 +978,6 @@
</span><span class="cx"> 
</span><span class="cx"> webkit.org/b/160017 js/regress-139548.html [ Slow ]
</span><span class="cx"> 
</span><del>-webkit.org/b/161088 imported/w3c/web-platform-tests/resource-timing/resource-timing.html [ Pass Failure ]
-
-webkit.org/b/168356 [ Debug ] imported/w3c/web-platform-tests/resource-timing [ Skip ]
-
</del><span class="cx"> # Only iOS has implemented lettepress.
</span><span class="cx"> fast/text/letterpress-different.html [ ImageOnlyFailure ]
</span><span class="cx"> 
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit216SourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.16/Source/WebCore/ChangeLog (213031 => 213032)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.16/Source/WebCore/ChangeLog        2017-02-27 07:52:15 UTC (rev 213031)
+++ releases/WebKitGTK/webkit-2.16/Source/WebCore/ChangeLog        2017-02-27 07:55:01 UTC (rev 213032)
</span><span class="lines">@@ -1,3 +1,24 @@
</span><ins>+2017-02-20  Joseph Pecoraro  &lt;pecoraro@apple.com&gt;
+
+        ASSERTION FAILED: m_normalWorld-&gt;hasOneRef() under WorkerThread::stop
+        https://bugs.webkit.org/show_bug.cgi?id=168356
+        &lt;rdar://problem/30592486&gt;
+
+        Reviewed by Ryosuke Niwa.
+
+        * page/DOMWindow.cpp:
+        (WebCore::DOMWindow::removeAllEventListeners):
+        Remove Performance object EventListeners.
+
+        * workers/WorkerGlobalScope.cpp:
+        (WebCore::WorkerGlobalScope::~WorkerGlobalScope):
+        (WebCore::WorkerGlobalScope::removeAllEventListeners):
+        (WebCore::WorkerGlobalScope::performance):
+        * workers/WorkerGlobalScope.h:
+        Remove Performance object EventListeners.
+        Also clear Performance early in destruction since its ContextDestructionObserver
+        destruction makes checks about the WorkerThread.
+
</ins><span class="cx"> 2017-02-20  Zalan Bujtas  &lt;zalan@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Simple line layout: Implement absoluteQuadsForRange.
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit216SourceWebCorepageDOMWindowcpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.16/Source/WebCore/page/DOMWindow.cpp (213031 => 213032)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.16/Source/WebCore/page/DOMWindow.cpp        2017-02-27 07:52:15 UTC (rev 213031)
+++ releases/WebKitGTK/webkit-2.16/Source/WebCore/page/DOMWindow.cpp        2017-02-27 07:55:01 UTC (rev 213032)
</span><span class="lines">@@ -2027,6 +2027,11 @@
</span><span class="cx">         controller-&gt;removeAllDeviceEventListeners(this);
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><ins>+#if ENABLE(WEB_TIMING)
+    if (m_performance)
+        m_performance-&gt;removeAllEventListeners();
+#endif
+
</ins><span class="cx">     removeAllUnloadEventListeners(this);
</span><span class="cx">     removeAllBeforeUnloadEventListeners(this);
</span><span class="cx"> }
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit216SourceWebCoreworkersWorkerGlobalScopecpp"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.16/Source/WebCore/workers/WorkerGlobalScope.cpp (213031 => 213032)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.16/Source/WebCore/workers/WorkerGlobalScope.cpp        2017-02-27 07:52:15 UTC (rev 213031)
+++ releases/WebKitGTK/webkit-2.16/Source/WebCore/workers/WorkerGlobalScope.cpp        2017-02-27 07:55:01 UTC (rev 213032)
</span><span class="lines">@@ -97,10 +97,23 @@
</span><span class="cx"> {
</span><span class="cx">     ASSERT(currentThread() == thread().threadID());
</span><span class="cx"> 
</span><ins>+#if ENABLE(WEB_TIMING)
+    m_performance = nullptr;
+#endif
+
</ins><span class="cx">     // Notify proxy that we are going away. This can free the WorkerThread object, so do not access it after this.
</span><span class="cx">     thread().workerReportingProxy().workerGlobalScopeDestroyed();
</span><span class="cx"> }
</span><span class="cx"> 
</span><ins>+void WorkerGlobalScope::removeAllEventListeners()
+{
+    EventTarget::removeAllEventListeners();
+
+#if ENABLE(WEB_TIMING)
+    m_performance-&gt;removeAllEventListeners();
+#endif
+}
+
</ins><span class="cx"> void WorkerGlobalScope::applyContentSecurityPolicyResponseHeaders(const ContentSecurityPolicyResponseHeaders&amp; contentSecurityPolicyResponseHeaders)
</span><span class="cx"> {
</span><span class="cx">     contentSecurityPolicy()-&gt;didReceiveHeaders(contentSecurityPolicyResponseHeaders);
</span><span class="lines">@@ -358,7 +371,7 @@
</span><span class="cx"> 
</span><span class="cx"> Performance&amp; WorkerGlobalScope::performance() const
</span><span class="cx"> {
</span><del>-    return m_performance;
</del><ins>+    return *m_performance;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="releasesWebKitGTKwebkit216SourceWebCoreworkersWorkerGlobalScopeh"></a>
<div class="modfile"><h4>Modified: releases/WebKitGTK/webkit-2.16/Source/WebCore/workers/WorkerGlobalScope.h (213031 => 213032)</h4>
<pre class="diff"><span>
<span class="info">--- releases/WebKitGTK/webkit-2.16/Source/WebCore/workers/WorkerGlobalScope.h        2017-02-27 07:52:15 UTC (rev 213031)
+++ releases/WebKitGTK/webkit-2.16/Source/WebCore/workers/WorkerGlobalScope.h        2017-02-27 07:55:01 UTC (rev 213032)
</span><span class="lines">@@ -104,6 +104,8 @@
</span><span class="cx">     Performance&amp; performance() const;
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><ins>+    void removeAllEventListeners() final;
+
</ins><span class="cx"> protected:
</span><span class="cx">     WorkerGlobalScope(const URL&amp;, const String&amp; identifier, const String&amp; userAgent, WorkerThread&amp;, bool shouldBypassMainWorldContentSecurityPolicy, Ref&lt;SecurityOrigin&gt;&amp;&amp; topOrigin, MonotonicTime timeOrigin, IDBClient::IDBConnectionProxy*, SocketProvider*);
</span><span class="cx"> 
</span><span class="lines">@@ -177,7 +179,7 @@
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx"> #if ENABLE(WEB_TIMING)
</span><del>-    Ref&lt;Performance&gt; m_performance;
</del><ins>+    RefPtr&lt;Performance&gt; m_performance;
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     mutable RefPtr&lt;Crypto&gt; m_crypto;
</span></span></pre>
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