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<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.webkit.org/projects/webkit/changeset/172889">172889</a></dd>
<dt>Author</dt> <dd>commit-queue@webkit.org</dd>
<dt>Date</dt> <dd>2014-08-23 02:24:44 -0700 (Sat, 23 Aug 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Unify GraphicsLayer::setContentsToMedia and setContentsToCanvas
https://bugs.webkit.org/show_bug.cgi?id=109658
Source/WebCore:

Patch by Byungseon Shin &lt;sun.shin@lge.com&gt; on 2014-08-23
Reviewed by Martin Robinson.

Based on patch originally written by Tim Horton.
Merge setContentsToMedia and setContentsToCanvas into setContentsToPlatformLayer.

* WebCore.exp.in:
Adjust exports.

* platform/graphics/GraphicsLayer.h:
Move ContentsLayerPurpose enum up out of GraphicsLayer platform implmentations
and into GraphicsLayer, so we can use it as a parameter.
Add ContentsLayerForPlugin.

(WebCore::GraphicsLayer::setContentsToPlatformLayer):
Remove setContentsToMedia and setContentsToCanvas, and replace them
with setContentsToPlatformLayer, which previously existed but was unused
and simply called setContentsToMedia.
setContentsToPlatformLayer takes a ContentsLayerPurpose, primarily
so that GraphicsLayerCA can know whether it needs to setNeedsDisplay
the layer when parenting it (canvas) or not (everything else).

* platform/graphics/ca/GraphicsLayerCA.cpp:
(WebCore::GraphicsLayerCA::setContentsToPlatformLayer):
Rename function setContentsToMedia -&gt; setContentsToPlatformLayer.
Rename argument mediaLayer -&gt; platformLayer.
Store the passed-in ContentsLayerPurpose.
Remove setContentsToCanvas.

(WebCore::GraphicsLayerCA::commitLayerChangesBeforeSublayers):
(WebCore::GraphicsLayerCA::updateContentsPlatformLayer):
Remove updateContentsMediaLayer and updateContentsCanvas layer,
add updateContentsPlatformLayer.

* platform/graphics/ca/GraphicsLayerCA.h:
Do the same to the LayerChange enum.

* platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:
(WebCore::GraphicsLayerTextureMapper::setContentsToImage):
(WebCore::GraphicsLayerTextureMapper::setContentsToPlatformLayer):
* platform/graphics/texmap/GraphicsLayerTextureMapper.h:
* platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp:
(WebCore::CoordinatedGraphicsLayer::CoordinatedGraphicsLayer):
(WebCore::CoordinatedGraphicsLayer::setContentsNeedsDisplay):
(WebCore::CoordinatedGraphicsLayer::setContentsToPlatformLayer):
(WebCore::CoordinatedGraphicsLayer::syncPlatformLayer):
(WebCore::CoordinatedGraphicsLayer::destroyPlatformLayerIfNeeded):
(WebCore::CoordinatedGraphicsLayer::createPlatformLayerIfNeeded):
(WebCore::CoordinatedGraphicsLayer::flushCompositingStateForThisLayerOnly):
Fold these together in the same way as elsewhere.

* platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.h:
Do the same to the LayerChange enum.

* platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.cpp:
(WebCore::CoordinatedGraphicsScene::createPlatformLayerIfNeeded):
(WebCore::CoordinatedGraphicsScene::syncPlatformLayerIfNeeded):
(WebCore::CoordinatedGraphicsScene::destroyPlatformLayerIfNeeded):
(WebCore::CoordinatedGraphicsScene::setLayerState):
* platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.h:
* platform/graphics/texmap/coordinated/CoordinatedGraphicsState.h:
(WebCore::CoordinatedGraphicsLayerState::CoordinatedGraphicsLayerState):
Rename canvasLayer -&gt; platformLayer.

* rendering/RenderLayerBacking.cpp:
(WebCore::RenderLayerBacking::updateConfiguration):
Use the new setContentsToPlatformLayer, passing in the relevant ContentsLayerPurpose.

Source/WebKit2:

Patch by Byungseon Shin &lt;sun.shin@lge.com&gt; on 2014-08-23
Reviewed by Martin Robinson.

Based on patch originally written by Tim Horton.
Merge setContentsToMedia and setContentsToCanvas into setContentsToPlatformLayer.

* Shared/CoordinatedGraphics/CoordinatedGraphicsArgumentCoders.cpp:
(IPC::ArgumentCoder&lt;CoordinatedGraphicsLayerState&gt;::encode):
(IPC::ArgumentCoder&lt;CoordinatedGraphicsLayerState&gt;::decode):
Rename canvas -&gt; platformLayer.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#trunkSourceWebCoreChangeLog">trunk/Source/WebCore/ChangeLog</a></li>
<li><a href="#trunkSourceWebCoreWebCoreexpin">trunk/Source/WebCore/WebCore.exp.in</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicsGraphicsLayerh">trunk/Source/WebCore/platform/graphics/GraphicsLayer.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicscaGraphicsLayerCAcpp">trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicscaGraphicsLayerCAh">trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicstexmapGraphicsLayerTextureMappercpp">trunk/Source/WebCore/platform/graphics/texmap/GraphicsLayerTextureMapper.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicstexmapGraphicsLayerTextureMapperh">trunk/Source/WebCore/platform/graphics/texmap/GraphicsLayerTextureMapper.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicstexmapcoordinatedCoordinatedGraphicsLayercpp">trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicstexmapcoordinatedCoordinatedGraphicsLayerh">trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicstexmapcoordinatedCoordinatedGraphicsScenecpp">trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.cpp</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicstexmapcoordinatedCoordinatedGraphicsSceneh">trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.h</a></li>
<li><a href="#trunkSourceWebCoreplatformgraphicstexmapcoordinatedCoordinatedGraphicsStateh">trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsState.h</a></li>
<li><a href="#trunkSourceWebCorerenderingRenderLayerBackingcpp">trunk/Source/WebCore/rendering/RenderLayerBacking.cpp</a></li>
<li><a href="#trunkSourceWebKit2ChangeLog">trunk/Source/WebKit2/ChangeLog</a></li>
<li><a href="#trunkSourceWebKit2SharedCoordinatedGraphicsCoordinatedGraphicsArgumentCoderscpp">trunk/Source/WebKit2/Shared/CoordinatedGraphics/CoordinatedGraphicsArgumentCoders.cpp</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="trunkSourceWebCoreChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/ChangeLog (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/ChangeLog        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/ChangeLog        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -1,3 +1,75 @@
</span><ins>+2014-08-23  Byungseon Shin  &lt;sun.shin@lge.com&gt;
+
+        Unify GraphicsLayer::setContentsToMedia and setContentsToCanvas
+        https://bugs.webkit.org/show_bug.cgi?id=109658
+
+        Reviewed by Martin Robinson.

+        Based on patch originally written by Tim Horton.
+        Merge setContentsToMedia and setContentsToCanvas into setContentsToPlatformLayer.

+        * WebCore.exp.in:
+        Adjust exports.

+        * platform/graphics/GraphicsLayer.h:
+        Move ContentsLayerPurpose enum up out of GraphicsLayer platform implmentations
+        and into GraphicsLayer, so we can use it as a parameter.
+        Add ContentsLayerForPlugin.

+        (WebCore::GraphicsLayer::setContentsToPlatformLayer):
+        Remove setContentsToMedia and setContentsToCanvas, and replace them
+        with setContentsToPlatformLayer, which previously existed but was unused
+        and simply called setContentsToMedia.
+        setContentsToPlatformLayer takes a ContentsLayerPurpose, primarily
+        so that GraphicsLayerCA can know whether it needs to setNeedsDisplay
+        the layer when parenting it (canvas) or not (everything else).

+        * platform/graphics/ca/GraphicsLayerCA.cpp:
+        (WebCore::GraphicsLayerCA::setContentsToPlatformLayer):
+        Rename function setContentsToMedia -&gt; setContentsToPlatformLayer.
+        Rename argument mediaLayer -&gt; platformLayer.
+        Store the passed-in ContentsLayerPurpose.
+        Remove setContentsToCanvas.

+        (WebCore::GraphicsLayerCA::commitLayerChangesBeforeSublayers):
+        (WebCore::GraphicsLayerCA::updateContentsPlatformLayer):
+        Remove updateContentsMediaLayer and updateContentsCanvas layer,
+        add updateContentsPlatformLayer.

+        * platform/graphics/ca/GraphicsLayerCA.h:
+        Do the same to the LayerChange enum.

+        * platform/graphics/texmap/GraphicsLayerTextureMapper.cpp:
+        (WebCore::GraphicsLayerTextureMapper::setContentsToImage):
+        (WebCore::GraphicsLayerTextureMapper::setContentsToPlatformLayer):
+        * platform/graphics/texmap/GraphicsLayerTextureMapper.h:
+        * platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp:
+        (WebCore::CoordinatedGraphicsLayer::CoordinatedGraphicsLayer):
+        (WebCore::CoordinatedGraphicsLayer::setContentsNeedsDisplay):
+        (WebCore::CoordinatedGraphicsLayer::setContentsToPlatformLayer):
+        (WebCore::CoordinatedGraphicsLayer::syncPlatformLayer):
+        (WebCore::CoordinatedGraphicsLayer::destroyPlatformLayerIfNeeded):
+        (WebCore::CoordinatedGraphicsLayer::createPlatformLayerIfNeeded):
+        (WebCore::CoordinatedGraphicsLayer::flushCompositingStateForThisLayerOnly):
+        Fold these together in the same way as elsewhere.

+        * platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.h:
+        Do the same to the LayerChange enum.

+        * platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.cpp:
+        (WebCore::CoordinatedGraphicsScene::createPlatformLayerIfNeeded):
+        (WebCore::CoordinatedGraphicsScene::syncPlatformLayerIfNeeded):
+        (WebCore::CoordinatedGraphicsScene::destroyPlatformLayerIfNeeded):
+        (WebCore::CoordinatedGraphicsScene::setLayerState):
+        * platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.h:
+        * platform/graphics/texmap/coordinated/CoordinatedGraphicsState.h:
+        (WebCore::CoordinatedGraphicsLayerState::CoordinatedGraphicsLayerState):
+        Rename canvasLayer -&gt; platformLayer.

+        * rendering/RenderLayerBacking.cpp:
+        (WebCore::RenderLayerBacking::updateConfiguration):
+        Use the new setContentsToPlatformLayer, passing in the relevant ContentsLayerPurpose.
+
</ins><span class="cx"> 2014-08-23  Joseph Pecoraro  &lt;pecoraro@apple.com&gt;
</span><span class="cx"> 
</span><span class="cx">         Web Inspector: Do not copy large module source strings
</span></span></pre></div>
<a id="trunkSourceWebCoreWebCoreexpin"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/WebCore.exp.in (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/WebCore.exp.in        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/WebCore.exp.in        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -578,12 +578,10 @@
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA17suspendAnimationsEd
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA18setBackgroundColorERKNS_5ColorE
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA18setContentsToImageEPNS_5ImageE
</span><del>-__ZN7WebCore15GraphicsLayerCA18setContentsToMediaEP7CALayer
</del><span class="cx"> __ZN7WebCore15GraphicsLayerCA18setContentsVisibleEb
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA18setOpacityInternalEf
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA18setReplicatedLayerEPNS_13GraphicsLayerE
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA18setShowDebugBorderEb
</span><del>-__ZN7WebCore15GraphicsLayerCA19setContentsToCanvasEP7CALayer
</del><span class="cx"> __ZN7WebCore15GraphicsLayerCA19setCustomAppearanceENS_13GraphicsLayer16CustomAppearanceE
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA20setChildrenTransformERKNS_20TransformationMatrixE
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA20setReplicatedByLayerEPNS_13GraphicsLayerE
</span><span class="lines">@@ -596,6 +594,7 @@
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA23setContentsNeedsDisplayEv
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA23setContentsToSolidColorERKNS_5ColorE
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA23setDebugBackgroundColorERKNS_5ColorE
</span><ins>+__ZN7WebCore15GraphicsLayerCA26setContentsToPlatformLayerEP7CALayerNS_13GraphicsLayer20ContentsLayerPurposeE
</ins><span class="cx"> __ZN7WebCore15GraphicsLayerCA28platformCALayerPaintContentsEPNS_15PlatformCALayerERNS_15GraphicsContextERKNS_9FloatRectE
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA29platformCALayerAnimationEndedERKN3WTF6StringE
</span><span class="cx"> __ZN7WebCore15GraphicsLayerCA30deviceOrPageScaleFactorChangedEv
</span><span class="lines">@@ -2062,9 +2061,9 @@
</span><span class="cx"> __ZTVN7WebCore28InspectorFrontendClientLocal8SettingsE
</span><span class="cx"> __ZTVN7WebCore31BasicColorMatrixFilterOperationE
</span><span class="cx"> __ZTVN7WebCore37BasicComponentTransferFilterOperationE
</span><ins>+__ZThn???_N7WebCore15GraphicsLayerCA28platformCALayerPaintContentsEPNS_15PlatformCALayerERNS_15GraphicsContextERKNS_9FloatRectE
</ins><span class="cx"> __ZThn???_N7WebCore15GraphicsLayerCA29platformCALayerAnimationEndedERKN3WTF6StringE
</span><span class="cx"> __ZThn???_N7WebCore15GraphicsLayerCA31platformCALayerAnimationStartedERKN3WTF6StringEd
</span><del>-__ZThn???_N7WebCore15GraphicsLayerCA28platformCALayerPaintContentsEPNS_15PlatformCALayerERNS_15GraphicsContextERKNS_9FloatRectE
</del><span class="cx"> __ZThn???_N7WebCore15GraphicsLayerCA31platformCALayerAnimationStartedEd
</span><span class="cx"> __ZThn???_N7WebCore15GraphicsLayerCA40platformCALayerSetNeedsToRevalidateTilesEv
</span><span class="cx"> __ZThn???_NK7WebCore15GraphicsLayerCA26platformCALayerExposedRectEv
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicsGraphicsLayerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/GraphicsLayer.h (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/GraphicsLayer.h        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/platform/graphics/GraphicsLayer.h        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -251,6 +251,15 @@
</span><span class="cx">     // Returns true if the child list changed.
</span><span class="cx">     WEBCORE_EXPORT virtual bool setChildren(const Vector&lt;GraphicsLayer*&gt;&amp;);
</span><span class="cx"> 
</span><ins>+    enum ContentsLayerPurpose {
+        NoContentsLayer = 0,
+        ContentsLayerForImage,
+        ContentsLayerForMedia,
+        ContentsLayerForCanvas,
+        ContentsLayerForBackgroundColor,
+        ContentsLayerForPlugin
+    };
+
</ins><span class="cx">     // Add child layers. If the child is already parented, it will be removed from its old parent.
</span><span class="cx">     WEBCORE_EXPORT virtual void addChild(GraphicsLayer*);
</span><span class="cx">     WEBCORE_EXPORT virtual void addChildAtIndex(GraphicsLayer*, int index);
</span><span class="lines">@@ -405,16 +414,12 @@
</span><span class="cx">     // Layer contents
</span><span class="cx">     virtual void setContentsToImage(Image*) { }
</span><span class="cx">     virtual bool shouldDirectlyCompositeImage(Image*) const { return true; }
</span><del>-    virtual void setContentsToMedia(PlatformLayer*) { } // video or plug-in
</del><span class="cx"> #if PLATFORM(IOS)
</span><span class="cx">     virtual PlatformLayer* contentsLayerForMedia() const { return 0; }
</span><span class="cx"> #endif
</span><span class="cx">     // Pass an invalid color to remove the contents layer.
</span><span class="cx">     virtual void setContentsToSolidColor(const Color&amp;) { }
</span><del>-    virtual void setContentsToCanvas(PlatformLayer*) { }
-    // FIXME: webkit.org/b/109658
-    // Should unify setContentsToMedia and setContentsToCanvas
-    virtual void setContentsToPlatformLayer(PlatformLayer* layer) { setContentsToMedia(layer); }
</del><ins>+    virtual void setContentsToPlatformLayer(PlatformLayer*, ContentsLayerPurpose) { }
</ins><span class="cx">     virtual bool usesContentsLayer() const { return false; }
</span><span class="cx"> 
</span><span class="cx">     // Callback from the underlying graphics system to draw layer contents.
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicscaGraphicsLayerCAcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.cpp        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -923,24 +923,24 @@
</span><span class="cx">     noteLayerPropertyChanged(ContentsImageChanged);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void GraphicsLayerCA::setContentsToMedia(PlatformLayer* mediaLayer)
</del><ins>+void GraphicsLayerCA::setContentsToPlatformLayer(PlatformLayer* platformLayer, ContentsLayerPurpose purpose)
</ins><span class="cx"> {
</span><del>-    if (m_contentsLayer &amp;&amp; mediaLayer == m_contentsLayer-&gt;platformLayer())
</del><ins>+    if (m_contentsLayer &amp;&amp; platformLayer == m_contentsLayer-&gt;platformLayer())
</ins><span class="cx">         return;
</span><del>-        
-    // FIXME: The passed in layer might be a raw layer or an externally created 
</del><ins>+
+    // FIXME: The passed in layer might be a raw layer or an externally created
</ins><span class="cx">     // PlatformCALayer. To determine this we attempt to get the
</span><span class="cx">     // PlatformCALayer pointer. If this returns a null pointer we assume it's
</span><span class="cx">     // raw. This test might be invalid if the raw layer is, for instance, the
</span><span class="cx">     // PlatformCALayer is using a user data pointer in the raw layer, and
</span><span class="cx">     // the creator of the raw layer is using it for some other purpose.
</span><span class="cx">     // For now we don't support such a case.
</span><del>-    PlatformCALayer* platformCALayer = PlatformCALayer::platformCALayer(mediaLayer);
-    m_contentsLayer = mediaLayer ? (platformCALayer ? platformCALayer : createPlatformCALayer(mediaLayer, this)) : 0;
-    m_contentsLayerPurpose = mediaLayer ? ContentsLayerForMedia : NoContentsLayer;
</del><ins>+    PlatformCALayer* platformCALayer = PlatformCALayer::platformCALayer(platformLayer);
+    m_contentsLayer = platformLayer ? (platformCALayer ? platformCALayer : createPlatformCALayer(platformLayer, this)) : 0;
+    m_contentsLayerPurpose = platformLayer ? purpose : NoContentsLayer;
</ins><span class="cx"> 
</span><span class="cx">     noteSublayersChanged();
</span><del>-    noteLayerPropertyChanged(ContentsMediaLayerChanged);
</del><ins>+    noteLayerPropertyChanged(ContentsPlatformLayerChanged);
</ins><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #if PLATFORM(IOS)
</span><span class="lines">@@ -950,20 +950,6 @@
</span><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><del>-void GraphicsLayerCA::setContentsToCanvas(PlatformLayer* canvasLayer)
-{
-    if (m_contentsLayer &amp;&amp; canvasLayer == m_contentsLayer-&gt;platformLayer())
-        return;
-    
-    // Create the PlatformCALayer to wrap the incoming layer
-    m_contentsLayer = canvasLayer ? createPlatformCALayer(canvasLayer, this) : 0;
-    
-    m_contentsLayerPurpose = canvasLayer ? ContentsLayerForCanvas : NoContentsLayer;
-
-    noteSublayersChanged();
-    noteLayerPropertyChanged(ContentsCanvasLayerChanged);
-}
-    
</del><span class="cx"> void GraphicsLayerCA::layerDidDisplay(PlatformCALayer* layer)
</span><span class="cx"> {
</span><span class="cx">     LayerMap* layerCloneMap;
</span><span class="lines">@@ -1308,11 +1294,8 @@
</span><span class="cx">     if (m_uncommittedChanges &amp; ContentsImageChanged) // Needs to happen before ChildrenChanged
</span><span class="cx">         updateContentsImage();
</span><span class="cx">         
</span><del>-    if (m_uncommittedChanges &amp; ContentsMediaLayerChanged) // Needs to happen before ChildrenChanged
-        updateContentsMediaLayer();
-    
-    if (m_uncommittedChanges &amp; ContentsCanvasLayerChanged) // Needs to happen before ChildrenChanged
-        updateContentsCanvasLayer();
</del><ins>+    if (m_uncommittedChanges &amp; ContentsPlatformLayerChanged) // Needs to happen before ChildrenChanged
+        updateContentsPlatformLayer();
</ins><span class="cx"> 
</span><span class="cx">     if (m_uncommittedChanges &amp; ContentsColorLayerChanged) // Needs to happen before ChildrenChanged
</span><span class="cx">         updateContentsColorLayer();
</span><span class="lines">@@ -1941,24 +1924,17 @@
</span><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void GraphicsLayerCA::updateContentsMediaLayer()
</del><ins>+void GraphicsLayerCA::updateContentsPlatformLayer()
</ins><span class="cx"> {
</span><del>-    if (!m_contentsLayer || m_contentsLayerPurpose != ContentsLayerForMedia)
</del><ins>+    if (!m_contentsLayer)
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    // Video layer was set as m_contentsLayer, and will get parented in updateSublayerList().
</del><ins>+    // Platform layer was set as m_contentsLayer, and will get parented in updateSublayerList().
</ins><span class="cx">     setupContentsLayer(m_contentsLayer.get());
</span><del>-    updateContentsRects();
-}
</del><span class="cx"> 
</span><del>-void GraphicsLayerCA::updateContentsCanvasLayer()
-{
-    if (!m_contentsLayer || m_contentsLayerPurpose != ContentsLayerForCanvas)
-        return;
</del><ins>+    if (m_contentsLayerPurpose == ContentsLayerForCanvas)
+        m_contentsLayer-&gt;setNeedsDisplay();
</ins><span class="cx"> 
</span><del>-    // CanvasLayer was set as m_contentsLayer, and will get parented in updateSublayerList().
-    setupContentsLayer(m_contentsLayer.get());
-    m_contentsLayer-&gt;setNeedsDisplay();
</del><span class="cx">     updateContentsRects();
</span><span class="cx"> }
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicscaGraphicsLayerCAh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.h (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.h        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/platform/graphics/ca/GraphicsLayerCA.h        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -126,11 +126,10 @@
</span><span class="cx">     WEBCORE_EXPORT virtual void removeAnimation(const String&amp; animationName) override;
</span><span class="cx"> 
</span><span class="cx">     WEBCORE_EXPORT virtual void setContentsToImage(Image*) override;
</span><del>-    WEBCORE_EXPORT virtual void setContentsToMedia(PlatformLayer*) override;
</del><span class="cx"> #if PLATFORM(IOS)
</span><span class="cx">     WEBCORE_EXPORT virtual PlatformLayer* contentsLayerForMedia() const override;
</span><span class="cx"> #endif
</span><del>-    WEBCORE_EXPORT virtual void setContentsToCanvas(PlatformLayer*) override;
</del><ins>+    WEBCORE_EXPORT virtual void setContentsToPlatformLayer(PlatformLayer*, ContentsLayerPurpose) override;
</ins><span class="cx">     WEBCORE_EXPORT virtual void setContentsToSolidColor(const Color&amp;) override;
</span><span class="cx"> 
</span><span class="cx">     virtual bool usesContentsLayer() const override { return m_contentsLayerPurpose != NoContentsLayer; }
</span><span class="lines">@@ -374,8 +373,7 @@
</span><span class="cx">     void updateBackgroundColor();
</span><span class="cx"> 
</span><span class="cx">     void updateContentsImage();
</span><del>-    void updateContentsMediaLayer();
-    void updateContentsCanvasLayer();
</del><ins>+    void updateContentsPlatformLayer();
</ins><span class="cx">     void updateContentsColorLayer();
</span><span class="cx">     void updateContentsRects();
</span><span class="cx">     void updateMaskLayer();
</span><span class="lines">@@ -429,24 +427,23 @@
</span><span class="cx">         AnimationChanged = 1LLU &lt;&lt; 13,
</span><span class="cx">         DirtyRectsChanged = 1LLU &lt;&lt; 14,
</span><span class="cx">         ContentsImageChanged = 1LLU &lt;&lt; 15,
</span><del>-        ContentsMediaLayerChanged = 1LLU &lt;&lt; 16,
-        ContentsCanvasLayerChanged = 1LLU &lt;&lt; 17,
-        ContentsColorLayerChanged = 1LLU &lt;&lt; 18,
-        ContentsRectsChanged = 1LLU &lt;&lt; 19,
-        MaskLayerChanged = 1LLU &lt;&lt; 20,
-        ReplicatedLayerChanged = 1LLU &lt;&lt; 21,
-        ContentsNeedsDisplay = 1LLU &lt;&lt; 22,
-        AcceleratesDrawingChanged = 1LLU &lt;&lt; 23,
-        ContentsScaleChanged = 1LLU &lt;&lt; 24,
-        ContentsVisibilityChanged = 1LLU &lt;&lt; 25,
-        VisibleRectChanged = 1LLU &lt;&lt; 26,
-        FiltersChanged = 1LLU &lt;&lt; 27,
-        TilingAreaChanged = 1LLU &lt;&lt; 28,
-        TilesAdded = 1LLU &lt; 29,
-        DebugIndicatorsChanged = 1LLU &lt;&lt; 30,
-        CustomAppearanceChanged = 1LLU &lt;&lt; 31,
-        CustomBehaviorChanged = 1LLU &lt;&lt; 32,
-        BlendModeChanged = 1LLU &lt;&lt; 33
</del><ins>+        ContentsPlatformLayerChanged = 1LLU &lt;&lt; 16,
+        ContentsColorLayerChanged = 1LLU &lt;&lt; 17,
+        ContentsRectsChanged = 1LLU &lt;&lt; 18,
+        MaskLayerChanged = 1LLU &lt;&lt; 19,
+        ReplicatedLayerChanged = 1LLU &lt;&lt; 20,
+        ContentsNeedsDisplay = 1LLU &lt;&lt; 21,
+        AcceleratesDrawingChanged = 1LLU &lt;&lt; 22,
+        ContentsScaleChanged = 1LLU &lt;&lt; 23,
+        ContentsVisibilityChanged = 1LLU &lt;&lt; 24,
+        VisibleRectChanged = 1LLU &lt;&lt; 25,
+        FiltersChanged = 1LLU &lt;&lt; 26,
+        TilingAreaChanged = 1LLU &lt;&lt; 27,
+        TilesAdded = 1LLU &lt; 28,
+        DebugIndicatorsChanged = 1LLU &lt;&lt; 29,
+        CustomAppearanceChanged = 1LLU &lt;&lt; 30,
+        CustomBehaviorChanged = 1LLU &lt;&lt; 31,
+        BlendModeChanged = 1LLU &lt;&lt; 32
</ins><span class="cx">     };
</span><span class="cx">     typedef uint64_t LayerChangeFlags;
</span><span class="cx">     enum ScheduleFlushOrNot { ScheduleFlush, DontScheduleFlush };
</span><span class="lines">@@ -473,14 +470,6 @@
</span><span class="cx">     FloatRect m_visibleRect;
</span><span class="cx">     FloatSize m_sizeAtLastVisibleRectUpdate;
</span><span class="cx">     
</span><del>-    enum ContentsLayerPurpose {
-        NoContentsLayer = 0,
-        ContentsLayerForImage,
-        ContentsLayerForMedia,
-        ContentsLayerForCanvas,
-        ContentsLayerForBackgroundColor
-    };
-    
</del><span class="cx">     ContentsLayerPurpose m_contentsLayerPurpose;
</span><span class="cx">     bool m_isPageTiledBackingLayer : 1;
</span><span class="cx">     bool m_needsFullRepaint : 1;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicstexmapGraphicsLayerTextureMappercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/texmap/GraphicsLayerTextureMapper.cpp (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/texmap/GraphicsLayerTextureMapper.cpp        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/platform/graphics/texmap/GraphicsLayerTextureMapper.cpp        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -371,17 +371,17 @@
</span><span class="cx">         m_compositedImage = 0;
</span><span class="cx">     }
</span><span class="cx"> 
</span><del>-    setContentsToMedia(m_compositedImage.get());
</del><ins>+    setContentsToPlatformLayer(m_compositedImage.get(), ContentsLayerForImage);
</ins><span class="cx">     notifyChange(ContentChange);
</span><span class="cx">     GraphicsLayer::setContentsToImage(image);
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void GraphicsLayerTextureMapper::setContentsToMedia(TextureMapperPlatformLayer* media)
</del><ins>+void GraphicsLayerTextureMapper::setContentsToPlatformLayer(TextureMapperPlatformLayer* media, ContentsLayerPurpose purpose)
</ins><span class="cx"> {
</span><span class="cx">     if (media == m_contentsLayer)
</span><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    GraphicsLayer::setContentsToMedia(media);
</del><ins>+    GraphicsLayer::setContentsToPlatformLayer(media, purpose);
</ins><span class="cx">     notifyChange(ContentChange);
</span><span class="cx"> 
</span><span class="cx">     if (m_contentsLayer)
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicstexmapGraphicsLayerTextureMapperh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/texmap/GraphicsLayerTextureMapper.h (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/texmap/GraphicsLayerTextureMapper.h        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/platform/graphics/texmap/GraphicsLayerTextureMapper.h        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -68,8 +68,7 @@
</span><span class="cx">     virtual void setContentsToImage(Image*);
</span><span class="cx">     virtual void setContentsToSolidColor(const Color&amp;);
</span><span class="cx">     Color solidColor() const { return m_solidColor; }
</span><del>-    virtual void setContentsToMedia(PlatformLayer*);
-    virtual void setContentsToCanvas(PlatformLayer* canvas) { setContentsToMedia(canvas); }
</del><ins>+    virtual void setContentsToPlatformLayer(PlatformLayer*, ContentsLayerPurpose);
</ins><span class="cx">     virtual void setShowDebugBorder(bool) override;
</span><span class="cx">     virtual void setDebugBorder(const Color&amp;, float width) override;
</span><span class="cx">     virtual void setShowRepaintCounter(bool) override;
</span><span class="lines">@@ -112,7 +111,7 @@
</span><span class="cx">     void prepareBackingStoreIfNeeded();
</span><span class="cx">     bool shouldHaveBackingStore() const;
</span><span class="cx"> 
</span><del>-    virtual void platformLayerWillBeDestroyed() override { setContentsToMedia(0); }
</del><ins>+    virtual void platformLayerWillBeDestroyed() override { setContentsToPlatformLayer(0, NoContentsLayer); }
</ins><span class="cx">     virtual void setPlatformLayerNeedsDisplay() override { setContentsNeedsDisplay(); }
</span><span class="cx"> 
</span><span class="cx">     // This set of flags help us defer which properties of the layer have been
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicstexmapcoordinatedCoordinatedGraphicsLayercpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.cpp        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -121,12 +121,12 @@
</span><span class="cx">     , m_pendingContentsScaleAdjustment(false)
</span><span class="cx">     , m_pendingVisibleRectAdjustment(false)
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    , m_isValidCanvas(false)
-    , m_pendingCanvasOperation(None)
</del><ins>+    , m_isValidPlatformLayer(false)
+    , m_pendingPlatformLayerOperation(None)
</ins><span class="cx"> #endif
</span><span class="cx">     , m_coordinator(0)
</span><span class="cx">     , m_compositedNativeImagePtr(0)
</span><del>-    , m_canvasPlatformLayer(0)
</del><ins>+    , m_platformLayer(0)
</ins><span class="cx">     , m_animationStartedTimer(this, &amp;CoordinatedGraphicsLayer::animationStartedTimerFired)
</span><span class="cx">     , m_scrollableArea(0)
</span><span class="cx"> {
</span><span class="lines">@@ -383,36 +383,37 @@
</span><span class="cx"> void CoordinatedGraphicsLayer::setContentsNeedsDisplay()
</span><span class="cx"> {
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    if (m_canvasPlatformLayer)
-        m_pendingCanvasOperation |= SyncCanvas;
</del><ins>+    if (m_platformLayer)
+        m_pendingPlatformLayerOperation |= SyncPlatformLayer;
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     notifyFlushRequired();
</span><span class="cx">     addRepaintRect(contentsRect());
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void CoordinatedGraphicsLayer::setContentsToCanvas(PlatformLayer* platformLayer)
</del><ins>+void CoordinatedGraphicsLayer::setContentsToPlatformLayer(PlatformLayer* platformLayer, ContentsLayerPurpose purpose)
</ins><span class="cx"> {
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    if (m_canvasPlatformLayer) {
-        ASSERT(m_canvasToken.isValid());
</del><ins>+    if (m_platformLayer) {
+        ASSERT(m_platformLayerToken.isValid());
</ins><span class="cx">         if (!platformLayer) {
</span><del>-            m_pendingCanvasOperation |= DestroyCanvas;
-            m_pendingCanvasOperation &amp;= ~CreateCanvas;
-        }  else if ((m_canvasSize != platformLayer-&gt;platformLayerSize()) || (m_canvasToken != platformLayer-&gt;graphicsSurfaceToken())) {
-            // m_canvasToken can be different to platformLayer-&gt;graphicsSurfaceToken(), even if m_canvasPlatformLayer equals platformLayer.
-            m_pendingCanvasOperation |= RecreateCanvas;
</del><ins>+            m_pendingPlatformLayerOperation |= DestroyPlatformLayer;
+            m_pendingPlatformLayerOperation &amp;= ~CreatePlatformLayer;
+        }  else if ((m_platformLayerSize != platformLayer-&gt;platformLayerSize()) || (m_platformLayerToken != platformLayer-&gt;graphicsSurfaceToken())) {
+            // m_platformLayerToken can be different to platformLayer-&gt;graphicsSurfaceToken(), even if m_platformLayer equals platformLayer.
+            m_pendingPlatformLayerOperation |= RecreatePlatformLayer;
</ins><span class="cx">         }
</span><span class="cx">     } else {
</span><span class="cx">         if (platformLayer)
</span><del>-            m_pendingCanvasOperation |= CreateAndSyncCanvas;
</del><ins>+            m_pendingPlatformLayerOperation |= CreateAndSyncPlatformLayer;
</ins><span class="cx">     }
</span><span class="cx"> 
</span><del>-    m_canvasPlatformLayer = platformLayer;
-    // m_canvasToken is updated only here. In detail, when GraphicsContext3D is changed or reshaped, m_canvasToken is changed and setContentsToCanvas() is always called.
-    m_canvasSize = m_canvasPlatformLayer ? m_canvasPlatformLayer-&gt;platformLayerSize() : IntSize();
-    m_canvasToken = m_canvasPlatformLayer ? m_canvasPlatformLayer-&gt;graphicsSurfaceToken() : GraphicsSurfaceToken();
-    ASSERT(!(!m_canvasToken.isValid() &amp;&amp; m_canvasPlatformLayer));
</del><ins>+    m_platformLayer = platformLayer;
+    // m_platformLayerToken is updated only here. 
+    // In detail, when GraphicsContext3D is changed or reshaped, m_platformLayerToken is changed and setContentsToPlatformLayer() is always called.
+    m_platformLayerSize = m_platformLayer ? m_platformLayer-&gt;platformLayerSize() : IntSize();
+    m_platformLayerToken = m_platformLayer ? m_platformLayer-&gt;graphicsSurfaceToken() : GraphicsSurfaceToken();
+    ASSERT(!(!m_platformLayerToken.isValid() &amp;&amp; m_platformLayer));
</ins><span class="cx"> 
</span><span class="cx">     notifyFlushRequired();
</span><span class="cx"> #else
</span><span class="lines">@@ -720,53 +721,53 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-void CoordinatedGraphicsLayer::syncCanvas()
</del><ins>+void CoordinatedGraphicsLayer::syncPlatformLayer()
</ins><span class="cx"> {
</span><del>-    destroyCanvasIfNeeded();
-    createCanvasIfNeeded();
</del><ins>+    destroyPlatformLayerIfNeeded();
+    createPlatformLayerIfNeeded();
</ins><span class="cx"> 
</span><del>-    if (!(m_pendingCanvasOperation &amp; SyncCanvas))
</del><ins>+    if (!(m_pendingPlatformLayerOperation &amp; SyncPlatformLayer))
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    m_pendingCanvasOperation &amp;= ~SyncCanvas;
</del><ins>+    m_pendingPlatformLayerOperation &amp;= ~SyncPlatformLayer;
</ins><span class="cx"> 
</span><del>-    if (!m_isValidCanvas)
</del><ins>+    if (!m_isValidPlatformLayer)
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    ASSERT(m_canvasPlatformLayer);
-    m_layerState.canvasFrontBuffer = m_canvasPlatformLayer-&gt;copyToGraphicsSurface();
-    m_layerState.canvasShouldSwapBuffers = true;
</del><ins>+    ASSERT(m_platformLayer);
+    m_layerState.platformLayerFrontBuffer = m_platformLayer-&gt;copyToGraphicsSurface();
+    m_layerState.platformLayerShouldSwapBuffers = true;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-void CoordinatedGraphicsLayer::destroyCanvasIfNeeded()
</del><ins>+void CoordinatedGraphicsLayer::destroyPlatformLayerIfNeeded()
</ins><span class="cx"> {
</span><del>-    if (!(m_pendingCanvasOperation &amp; DestroyCanvas))
</del><ins>+    if (!(m_pendingPlatformLayerOperation &amp; DestroyPlatformLayer))
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    if (m_isValidCanvas) {
-        m_isValidCanvas = false;
-        m_layerState.canvasToken = GraphicsSurfaceToken();
-        m_layerState.canvasChanged = true;
</del><ins>+    if (m_isValidPlatformLayer) {
+        m_isValidPlatformLayer = false;
+        m_layerState.platformLayerToken = GraphicsSurfaceToken();
+        m_layerState.platformLayerChanged = true;
</ins><span class="cx">     }
</span><span class="cx"> 
</span><del>-    m_pendingCanvasOperation &amp;= ~DestroyCanvas;
</del><ins>+    m_pendingPlatformLayerOperation &amp;= ~DestroyPlatformLayer;
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-void CoordinatedGraphicsLayer::createCanvasIfNeeded()
</del><ins>+void CoordinatedGraphicsLayer::createPlatformLayerIfNeeded()
</ins><span class="cx"> {
</span><del>-    if (!(m_pendingCanvasOperation &amp; CreateCanvas))
</del><ins>+    if (!(m_pendingPlatformLayerOperation &amp; CreatePlatformLayer))
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    ASSERT(m_canvasPlatformLayer);
-    if (!m_isValidCanvas) {
-        m_layerState.canvasSize = m_canvasPlatformLayer-&gt;platformLayerSize();
-        m_layerState.canvasToken = m_canvasPlatformLayer-&gt;graphicsSurfaceToken();
-        m_layerState.canvasSurfaceFlags = m_canvasPlatformLayer-&gt;graphicsSurfaceFlags();
-        m_layerState.canvasChanged = true;
-        m_isValidCanvas = true;
</del><ins>+    ASSERT(m_platformLayer);
+    if (!m_isValidPlatformLayer) {
+        m_layerState.platformLayerSize = m_platformLayer-&gt;platformLayerSize();
+        m_layerState.platformLayerToken = m_platformLayer-&gt;graphicsSurfaceToken();
+        m_layerState.platformLayerSurfaceFlags = m_platformLayer-&gt;graphicsSurfaceFlags();
+        m_layerState.platformLayerChanged = true;
+        m_isValidPlatformLayer = true;
</ins><span class="cx">     }
</span><span class="cx"> 
</span><del>-    m_pendingCanvasOperation &amp;= ~CreateCanvas;
</del><ins>+    m_pendingPlatformLayerOperation &amp;= ~CreatePlatformLayer;
</ins><span class="cx"> }
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="lines">@@ -791,7 +792,7 @@
</span><span class="cx">     syncFilters();
</span><span class="cx"> #endif
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    syncCanvas();
</del><ins>+    syncPlatformLayer();
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     // Only unset m_movingVisibleRect after we have updated the visible rect after the animation stopped.
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicstexmapcoordinatedCoordinatedGraphicsLayerh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.h (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.h        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsLayer.h        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -92,7 +92,7 @@
</span><span class="cx">     virtual void setShowDebugBorder(bool) override;
</span><span class="cx">     virtual void setShowRepaintCounter(bool) override;
</span><span class="cx">     virtual bool shouldDirectlyCompositeImage(Image*) const override;
</span><del>-    virtual void setContentsToCanvas(PlatformLayer*) override;
</del><ins>+    virtual void setContentsToPlatformLayer(PlatformLayer*, ContentsLayerPurpose) override;
</ins><span class="cx">     virtual void setMaskLayer(GraphicsLayer*) override;
</span><span class="cx">     virtual void setReplicatedByLayer(GraphicsLayer*) override;
</span><span class="cx">     virtual void setNeedsDisplay() override;
</span><span class="lines">@@ -109,7 +109,7 @@
</span><span class="cx">     virtual void removeAnimation(const String&amp;) override;
</span><span class="cx">     virtual void suspendAnimations(double time) override;
</span><span class="cx">     virtual void resumeAnimations() override;
</span><del>-    virtual bool usesContentsLayer() const override { return m_canvasPlatformLayer || m_compositedImage; }
</del><ins>+    virtual bool usesContentsLayer() const override { return m_platformLayer || m_compositedImage; }
</ins><span class="cx"> 
</span><span class="cx">     void syncPendingStateChangesIncludingSubLayers();
</span><span class="cx">     void updateContentBuffersIncludingSubLayers();
</span><span class="lines">@@ -154,18 +154,18 @@
</span><span class="cx"> 
</span><span class="cx"> private:
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    enum PendingCanvasOperation {
</del><ins>+    enum PendingPlatformLayerOperation {
</ins><span class="cx">         None = 0x00,
</span><del>-        CreateCanvas = 0x01,
-        DestroyCanvas = 0x02,
-        SyncCanvas = 0x04,
-        CreateAndSyncCanvas = CreateCanvas | SyncCanvas,
-        RecreateCanvas = CreateAndSyncCanvas | DestroyCanvas
</del><ins>+        CreatePlatformLayer = 0x01,
+        DestroyPlatformLayer = 0x02,
+        SyncPlatformLayer = 0x04,
+        CreateAndSyncPlatformLayer = CreatePlatformLayer | SyncPlatformLayer,
+        RecreatePlatformLayer = CreateAndSyncPlatformLayer | DestroyPlatformLayer
</ins><span class="cx">     };
</span><span class="cx"> 
</span><del>-    void syncCanvas();
-    void destroyCanvasIfNeeded();
-    void createCanvasIfNeeded();
</del><ins>+    void syncPlatformLayer();
+    void destroyPlatformLayerIfNeeded();
+    void createPlatformLayerIfNeeded();
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     virtual void setDebugBorder(const Color&amp;, float width) override;
</span><span class="lines">@@ -232,8 +232,8 @@
</span><span class="cx">     bool m_pendingContentsScaleAdjustment : 1;
</span><span class="cx">     bool m_pendingVisibleRectAdjustment : 1;
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    bool m_isValidCanvas : 1;
-    unsigned m_pendingCanvasOperation : 3;
</del><ins>+    bool m_isValidPlatformLayer : 1;
+    unsigned m_pendingPlatformLayerOperation : 3;
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     CoordinatedGraphicsLayerClient* m_coordinator;
</span><span class="lines">@@ -244,10 +244,10 @@
</span><span class="cx">     NativeImagePtr m_compositedNativeImagePtr;
</span><span class="cx">     RefPtr&lt;CoordinatedImageBacking&gt; m_coordinatedImageBacking;
</span><span class="cx"> 
</span><del>-    PlatformLayer* m_canvasPlatformLayer;
</del><ins>+    PlatformLayer* m_platformLayer;
</ins><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    IntSize m_canvasSize;
-    GraphicsSurfaceToken m_canvasToken;
</del><ins>+    IntSize m_platformLayerSize;
+    GraphicsSurfaceToken m_platformLayerToken;
</ins><span class="cx"> #endif
</span><span class="cx">     Timer&lt;CoordinatedGraphicsLayer&gt; m_animationStartedTimer;
</span><span class="cx">     GraphicsLayerAnimations m_animations;
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicstexmapcoordinatedCoordinatedGraphicsScenecpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.cpp (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.cpp        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.cpp        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -165,37 +165,37 @@
</span><span class="cx"> }
</span><span class="cx"> 
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-void CoordinatedGraphicsScene::createCanvasIfNeeded(TextureMapperLayer* layer, const CoordinatedGraphicsLayerState&amp; state)
</del><ins>+void CoordinatedGraphicsScene::createPlatformLayerIfNeeded(TextureMapperLayer* layer, const CoordinatedGraphicsLayerState&amp; state)
</ins><span class="cx"> {
</span><del>-    if (!state.canvasToken.isValid())
</del><ins>+    if (!state.platformLayerToken.isValid())
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><del>-    RefPtr&lt;TextureMapperSurfaceBackingStore&gt; canvasBackingStore(TextureMapperSurfaceBackingStore::create());
-    m_surfaceBackingStores.set(layer, canvasBackingStore);
-    canvasBackingStore-&gt;setGraphicsSurface(GraphicsSurface::create(state.canvasSize, state.canvasSurfaceFlags, state.canvasToken));
-    layer-&gt;setContentsLayer(canvasBackingStore.get());
</del><ins>+    RefPtr&lt;TextureMapperSurfaceBackingStore&gt; platformLayerBackingStore(TextureMapperSurfaceBackingStore::create());
+    m_surfaceBackingStores.set(layer, platformLayerBackingStore);
+    platformLayerBackingStore-&gt;setGraphicsSurface(GraphicsSurface::create(state.platformLayerSize, state.platformLayerSurfaceFlags, state.platformLayerToken));
+    layer-&gt;setContentsLayer(platformLayerBackingStore.get());
</ins><span class="cx"> }
</span><span class="cx"> 
</span><del>-void CoordinatedGraphicsScene::syncCanvasIfNeeded(TextureMapperLayer* layer, const CoordinatedGraphicsLayerState&amp; state)
</del><ins>+void CoordinatedGraphicsScene::syncPlatformLayerIfNeeded(TextureMapperLayer* layer, const CoordinatedGraphicsLayerState&amp; state)
</ins><span class="cx"> {
</span><span class="cx">     ASSERT(m_textureMapper);
</span><span class="cx"> 
</span><del>-    if (state.canvasChanged) {
-        destroyCanvasIfNeeded(layer, state);
-        createCanvasIfNeeded(layer, state);
</del><ins>+    if (state.platformLayerChanged) {
+        destroyPlatformLayerIfNeeded(layer, state);
+        createPlatformLayerIfNeeded(layer, state);
</ins><span class="cx">     }
</span><span class="cx"> 
</span><del>-    if (state.canvasShouldSwapBuffers) {
</del><ins>+    if (state.platformLayerShouldSwapBuffers) {
</ins><span class="cx">         ASSERT(m_surfaceBackingStores.contains(layer));
</span><span class="cx">         SurfaceBackingStoreMap::iterator it = m_surfaceBackingStores.find(layer);
</span><del>-        RefPtr&lt;TextureMapperSurfaceBackingStore&gt; canvasBackingStore = it-&gt;value;
-        canvasBackingStore-&gt;swapBuffersIfNeeded(state.canvasFrontBuffer);
</del><ins>+        RefPtr&lt;TextureMapperSurfaceBackingStore&gt; platformLayerBackingStore = it-&gt;value;
+        platformLayerBackingStore-&gt;swapBuffersIfNeeded(state.platformLayerFrontBuffer);
</ins><span class="cx">     }
</span><span class="cx"> }
</span><span class="cx"> 
</span><del>-void CoordinatedGraphicsScene::destroyCanvasIfNeeded(TextureMapperLayer* layer, const CoordinatedGraphicsLayerState&amp; state)
</del><ins>+void CoordinatedGraphicsScene::destroyPlatformLayerIfNeeded(TextureMapperLayer* layer, const CoordinatedGraphicsLayerState&amp; state)
</ins><span class="cx"> {
</span><del>-    if (state.canvasToken.isValid())
</del><ins>+    if (state.platformLayerToken.isValid())
</ins><span class="cx">         return;
</span><span class="cx"> 
</span><span class="cx">     m_surfaceBackingStores.remove(layer);
</span><span class="lines">@@ -319,7 +319,7 @@
</span><span class="cx"> #endif
</span><span class="cx">     setLayerAnimationsIfNeeded(layer, layerState);
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    syncCanvasIfNeeded(layer, layerState);
</del><ins>+    syncPlatformLayerIfNeeded(layer, layerState);
</ins><span class="cx"> #endif
</span><span class="cx">     setLayerRepaintCountIfNeeded(layer, layerState);
</span><span class="cx"> }
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicstexmapcoordinatedCoordinatedGraphicsSceneh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.h (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.h        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsScene.h        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -100,9 +100,9 @@
</span><span class="cx"> #endif
</span><span class="cx">     void setLayerAnimationsIfNeeded(TextureMapperLayer*, const CoordinatedGraphicsLayerState&amp;);
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    void createCanvasIfNeeded(TextureMapperLayer*, const CoordinatedGraphicsLayerState&amp;);
-    void syncCanvasIfNeeded(TextureMapperLayer*, const CoordinatedGraphicsLayerState&amp;);
-    void destroyCanvasIfNeeded(TextureMapperLayer*, const CoordinatedGraphicsLayerState&amp;);
</del><ins>+    void createPlatformLayerIfNeeded(TextureMapperLayer*, const CoordinatedGraphicsLayerState&amp;);
+    void syncPlatformLayerIfNeeded(TextureMapperLayer*, const CoordinatedGraphicsLayerState&amp;);
+    void destroyPlatformLayerIfNeeded(TextureMapperLayer*, const CoordinatedGraphicsLayerState&amp;);
</ins><span class="cx"> #endif
</span><span class="cx">     void setLayerRepaintCountIfNeeded(TextureMapperLayer*, const CoordinatedGraphicsLayerState&amp;);
</span><span class="cx"> 
</span></span></pre></div>
<a id="trunkSourceWebCoreplatformgraphicstexmapcoordinatedCoordinatedGraphicsStateh"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsState.h (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsState.h        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/platform/graphics/texmap/coordinated/CoordinatedGraphicsState.h        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -89,8 +89,8 @@
</span><span class="cx">             bool filtersChanged: 1;
</span><span class="cx">             bool childrenChanged: 1;
</span><span class="cx">             bool repaintCountChanged : 1;
</span><del>-            bool canvasChanged: 1;
-            bool canvasShouldSwapBuffers: 1;
</del><ins>+            bool platformLayerChanged: 1;
+            bool platformLayerShouldSwapBuffers: 1;
</ins><span class="cx">             bool isScrollableChanged: 1;
</span><span class="cx">             bool committedScrollOffsetChanged: 1;
</span><span class="cx">             bool contentsTilingChanged: 1;
</span><span class="lines">@@ -131,7 +131,7 @@
</span><span class="cx">         , mask(InvalidCoordinatedLayerID)
</span><span class="cx">         , imageID(InvalidCoordinatedImageBackingID)
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-        , canvasFrontBuffer(0)
</del><ins>+        , platformLayerFrontBuffer(0)
</ins><span class="cx"> #endif
</span><span class="cx">     {
</span><span class="cx">     }
</span><span class="lines">@@ -163,10 +163,10 @@
</span><span class="cx">     Vector&lt;TileUpdateInfo&gt; tilesToUpdate;
</span><span class="cx"> 
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    IntSize canvasSize;
-    GraphicsSurfaceToken canvasToken;
-    uint32_t canvasFrontBuffer;
-    GraphicsSurface::Flags canvasSurfaceFlags;
</del><ins>+    IntSize platformLayerSize;
+    GraphicsSurfaceToken platformLayerToken;
+    uint32_t platformLayerFrontBuffer;
+    GraphicsSurface::Flags platformLayerSurfaceFlags;
</ins><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="cx">     IntSize committedScrollOffset;
</span></span></pre></div>
<a id="trunkSourceWebCorerenderingRenderLayerBackingcpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebCore/rendering/RenderLayerBacking.cpp (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebCore/rendering/RenderLayerBacking.cpp        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebCore/rendering/RenderLayerBacking.cpp        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -589,20 +589,20 @@
</span><span class="cx">         }
</span><span class="cx"> #else
</span><span class="cx">         if (!pluginViewBase-&gt;shouldNotAddLayer())
</span><del>-            m_graphicsLayer-&gt;setContentsToMedia(pluginViewBase-&gt;platformLayer());
</del><ins>+            m_graphicsLayer-&gt;setContentsToPlatformLayer(pluginViewBase-&gt;platformLayer(), GraphicsLayer::ContentsLayerForPlugin);
</ins><span class="cx"> #endif
</span><span class="cx">     }
</span><span class="cx"> #if ENABLE(VIDEO)
</span><span class="cx">     else if (renderer().isVideo()) {
</span><span class="cx">         HTMLMediaElement* mediaElement = toHTMLMediaElement(renderer().element());
</span><del>-        m_graphicsLayer-&gt;setContentsToMedia(mediaElement-&gt;platformLayer());
</del><ins>+        m_graphicsLayer-&gt;setContentsToPlatformLayer(mediaElement-&gt;platformLayer(), GraphicsLayer::ContentsLayerForMedia);
</ins><span class="cx">     }
</span><span class="cx"> #endif
</span><span class="cx"> #if ENABLE(WEBGL) || ENABLE(ACCELERATED_2D_CANVAS)
</span><span class="cx">     else if (renderer().isCanvas() &amp;&amp; canvasCompositingStrategy(renderer()) == CanvasAsLayerContents) {
</span><span class="cx">         const HTMLCanvasElement* canvas = toHTMLCanvasElement(renderer().element());
</span><span class="cx">         if (CanvasRenderingContext* context = canvas-&gt;renderingContext())
</span><del>-            m_graphicsLayer-&gt;setContentsToCanvas(context-&gt;platformLayer());
</del><ins>+            m_graphicsLayer-&gt;setContentsToPlatformLayer(context-&gt;platformLayer(), GraphicsLayer::ContentsLayerForCanvas);
</ins><span class="cx">         layerConfigChanged = true;
</span><span class="cx">     }
</span><span class="cx"> #endif
</span></span></pre></div>
<a id="trunkSourceWebKit2ChangeLog"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/ChangeLog (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/ChangeLog        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebKit2/ChangeLog        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -1,3 +1,18 @@
</span><ins>+2014-08-23  Byungseon Shin  &lt;sun.shin@lge.com&gt;

+        Unify GraphicsLayer::setContentsToMedia and setContentsToCanvas
+        https://bugs.webkit.org/show_bug.cgi?id=109658

+        Reviewed by Martin Robinson.

+        Based on patch originally written by Tim Horton.
+        Merge setContentsToMedia and setContentsToCanvas into setContentsToPlatformLayer.

+        * Shared/CoordinatedGraphics/CoordinatedGraphicsArgumentCoders.cpp:
+        (IPC::ArgumentCoder&lt;CoordinatedGraphicsLayerState&gt;::encode):
+        (IPC::ArgumentCoder&lt;CoordinatedGraphicsLayerState&gt;::decode):
+        Rename canvas -&gt; platformLayer.
+
</ins><span class="cx"> 2014-08-22  Commit Queue  &lt;commit-queue@webkit.org&gt;
</span><span class="cx"> 
</span><span class="cx">         Unreviewed, rolling out r172866.
</span></span></pre></div>
<a id="trunkSourceWebKit2SharedCoordinatedGraphicsCoordinatedGraphicsArgumentCoderscpp"></a>
<div class="modfile"><h4>Modified: trunk/Source/WebKit2/Shared/CoordinatedGraphics/CoordinatedGraphicsArgumentCoders.cpp (172888 => 172889)</h4>
<pre class="diff"><span>
<span class="info">--- trunk/Source/WebKit2/Shared/CoordinatedGraphics/CoordinatedGraphicsArgumentCoders.cpp        2014-08-23 08:16:51 UTC (rev 172888)
+++ trunk/Source/WebKit2/Shared/CoordinatedGraphics/CoordinatedGraphicsArgumentCoders.cpp        2014-08-23 09:24:44 UTC (rev 172889)
</span><span class="lines">@@ -686,11 +686,11 @@
</span><span class="cx">     encoder &lt;&lt; state.tilesToUpdate;
</span><span class="cx"> 
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    if (state.canvasChanged) {
-        encoder &lt;&lt; state.canvasSize;
-        encoder &lt;&lt; state.canvasToken;
-        encoder &lt;&lt; state.canvasFrontBuffer;
-        encoder &lt;&lt; state.canvasSurfaceFlags;
</del><ins>+    if (state.platformLayerChanged) {
+        encoder &lt;&lt; state.platformLayerSize;
+        encoder &lt;&lt; state.platformLayerToken;
+        encoder &lt;&lt; state.platformLayerFrontBuffer;
+        encoder &lt;&lt; state.platformLayerSurfaceFlags;
</ins><span class="cx">     }
</span><span class="cx"> #endif
</span><span class="cx"> 
</span><span class="lines">@@ -776,17 +776,17 @@
</span><span class="cx">         return false;
</span><span class="cx"> 
</span><span class="cx"> #if USE(GRAPHICS_SURFACE)
</span><del>-    if (state.canvasChanged) {
-        if (!decoder.decode(state.canvasSize))
</del><ins>+    if (state.platformLayerChanged) {
+        if (!decoder.decode(state.platformLayerSize))
</ins><span class="cx">             return false;
</span><span class="cx"> 
</span><del>-        if (!decoder.decode(state.canvasToken))
</del><ins>+        if (!decoder.decode(state.platformLayerToken))
</ins><span class="cx">             return false;
</span><span class="cx"> 
</span><del>-        if (!decoder.decode(state.canvasFrontBuffer))
</del><ins>+        if (!decoder.decode(state.platformLayerFrontBuffer))
</ins><span class="cx">             return false;
</span><span class="cx"> 
</span><del>-        if (!decoder.decode(state.canvasSurfaceFlags))
</del><ins>+        if (!decoder.decode(state.platformLayerSurfaceFlags))
</ins><span class="cx">             return false;
</span><span class="cx">     }
</span><span class="cx"> #endif
</span></span></pre>
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