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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/211131">211131</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2017-01-24 18:59:11 -0800 (Tue, 24 Jan 2017)</dd>
</dl>

<h3>Log Message</h3>
<pre>LayoutTest media/modern-media-controls/tracks-panel/tracks-panel-hide.html is a flaky timeout
https://bugs.webkit.org/show_bug.cgi?id=167311

Patch by Antoine Quint &lt;graouts@apple.com&gt; on 2017-01-24
Reviewed by Dean Jackson.

Source/WebCore:

Ensure we have a chance to start the transition (on the next frame) before registering for an event
tracking its completion.

* Modules/modern-media-controls/controls/tracks-panel.js:
(TracksPanel.prototype.hide):

LayoutTests:

This test should no longer be flaky, so let's no mark it as such anymore.

* platform/mac/TestExpectations:</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkLayoutTestsChangeLog">trunk/LayoutTests/ChangeLog</a></li>
<li><a href="#trunkLayoutTestsplatformmacTestExpectations">trunk/LayoutTests/platform/mac/TestExpectations</a></li>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreModulesmodernmediacontrolscontrolstrackspaneljs">trunk/Source/WebCore/Modules/modern-media-controls/controls/tracks-panel.js</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkLayoutTestsChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/ChangeLog (211130 => 211131)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/ChangeLog        2017-01-25 02:56:40 UTC (rev 211130)
+++ trunk/LayoutTests/ChangeLog        2017-01-25 02:59:11 UTC (rev 211131)
</span><span class="lines">@@ -1,5 +1,16 @@
</span><span class="cx"> 2017-01-24  Antoine Quint  &lt;graouts@apple.com&gt;
</span><span class="cx"> 
</span><ins>+        LayoutTest media/modern-media-controls/tracks-panel/tracks-panel-hide.html is a flaky timeout
+        https://bugs.webkit.org/show_bug.cgi?id=167311
+
+        Reviewed by Dean Jackson.
+
+        This test should no longer be flaky, so let's no mark it as such anymore.
+
+        * platform/mac/TestExpectations:
+
+2017-01-24  Antoine Quint  &lt;graouts@apple.com&gt;
+
</ins><span class="cx">         Work around a crash when running media/modern-media-controls/pip-support/pip-support-enabled.html
</span><span class="cx">         https://bugs.webkit.org/show_bug.cgi?id=167381
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkLayoutTestsplatformmacTestExpectations"></a>
<div class="modfile"><h4>Modified: trunk/LayoutTests/platform/mac/TestExpectations (211130 => 211131)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/LayoutTests/platform/mac/TestExpectations        2017-01-25 02:56:40 UTC (rev 211130)
+++ trunk/LayoutTests/platform/mac/TestExpectations        2017-01-25 02:59:11 UTC (rev 211131)
</span><span class="lines">@@ -1493,8 +1493,6 @@
</span><span class="cx"> 
</span><span class="cx"> webkit.org/b/167275 media/modern-media-controls/tracks-support/tracks-support-show-panel-after-dragging-controls.html [ Pass Failure ]
</span><span class="cx"> 
</span><del>-webkit.org/b/167311 [ Debug ] media/modern-media-controls/tracks-panel/tracks-panel-hide.html [ Pass Timeout ]
-
</del><span class="cx"> webkit.org/b/167347 media/modern-media-controls/media-controller/media-controller-auto-hide-mouse-enter-and-mouse-leave.html [ Pass Failure ]
</span><span class="cx"> 
</span><span class="cx"> webkit.org/b/167266 media/modern-media-controls/media-controller/media-controller-auto-hide-mouse-enter-over-controls-bar.html [ Pass Failure ]
</span></span></pre></div>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (211130 => 211131)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2017-01-25 02:56:40 UTC (rev 211130)
+++ trunk/Source/WebCore/ChangeLog        2017-01-25 02:59:11 UTC (rev 211131)
</span><span class="lines">@@ -1,3 +1,16 @@
</span><ins>+2017-01-24  Antoine Quint  &lt;graouts@apple.com&gt;
+
+        LayoutTest media/modern-media-controls/tracks-panel/tracks-panel-hide.html is a flaky timeout
+        https://bugs.webkit.org/show_bug.cgi?id=167311
+
+        Reviewed by Dean Jackson.
+
+        Ensure we have a chance to start the transition (on the next frame) before registering for an event
+        tracking its completion.
+
+        * Modules/modern-media-controls/controls/tracks-panel.js:
+        (TracksPanel.prototype.hide):
+
</ins><span class="cx"> 2017-01-24  Simon Fraser  &lt;simon.fraser@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         [iOS WK2] Avoid IOSurface readback for snapshot creation
</span></span></pre></div>
<a id="trunkSourceWebCoreModulesmodernmediacontrolscontrolstrackspaneljs"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/Modules/modern-media-controls/controls/tracks-panel.js (211130 => 211131)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/Modules/modern-media-controls/controls/tracks-panel.js        2017-01-25 02:56:40 UTC (rev 211130)
+++ trunk/Source/WebCore/Modules/modern-media-controls/controls/tracks-panel.js        2017-01-25 02:59:11 UTC (rev 211131)
</span><span class="lines">@@ -43,7 +43,9 @@
</span><span class="cx">         window.removeEventListener(&quot;keydown&quot;, this, true);
</span><span class="cx"> 
</span><span class="cx">         this.element.addEventListener(&quot;transitionend&quot;, this);
</span><del>-        this.element.classList.add(&quot;fade-out&quot;);
</del><ins>+
+        // Ensure a transition will indeed happen by starting it only on the next frame.
+        window.requestAnimationFrame(() =&gt; { this.element.classList.add(&quot;fade-out&quot;) });
</ins><span class="cx">     }
</span><span class="cx"> 
</span><span class="cx">     get bottomY()
</span></span></pre>
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