Use element id's for animations

third_party/WebKit/Source/core/animation/Animation.cpp

Index: third_party/WebKit/Source/core/animation/Animation.cpp
diff --git a/third_party/WebKit/Source/core/animation/Animation.cpp b/third_party/WebKit/Source/core/animation/Animation.cpp
index 9cd519a2ba74efde365c05016741d943b2612823..eb9f17f7e424c6d103d804908e7918762eae7999 100644
--- a/third_party/WebKit/Source/core/animation/Animation.cpp
+++ b/third_party/WebKit/Source/core/animation/Animation.cpp
@@ -949,14 +949,13 @@ void Animation::attachCompositedLayers()
     ASSERT(m_content);
     ASSERT(m_content->isKeyframeEffect());
 
-    if (toKeyframeEffect(m_content.get())->canAttachCompositedLayers())
-        toKeyframeEffect(m_content.get())->attachCompositedLayers();
+    toKeyframeEffect(m_content.get())->attachCompositedLayers();
 }
 
 void Animation::detachCompositedLayers()
 {
-    if (m_compositorPlayer && m_compositorPlayer->isLayerAttached())
-        m_compositorPlayer->detachLayer();
+    if (m_compositorPlayer && m_compositorPlayer->isElementAttached())
+        m_compositorPlayer->detachElement();
 }
 
 void Animation::notifyAnimationStarted(double monotonicTime, int group)