Drop "only composite opacity animations when already in compositing mode".

Source/core/frame/animation/AnimationController.cpp

 /*
  * Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 247 matching lines @@
 
 bool AnimationControllerPrivate::isRunningAnimationOnRenderer(RenderObject* renderer, CSSPropertyID property, bool isRunningNow) const
 {
     RefPtr<CompositeAnimation> animation = m_compositeAnimations.get(renderer);
     if (!animation)
         return false;
 
     return animation->isAnimatingProperty(property, false, isRunningNow);
 }
 
-bool AnimationControllerPrivate::isRunningAcceleratableAnimationOnRenderer(RenderObject *renderer, bool isOpacityAcceleratable) const
+bool AnimationControllerPrivate::isRunningAcceleratableAnimationOnRenderer(RenderObject *renderer) const
 {
     RefPtr<CompositeAnimation> animation = m_compositeAnimations.get(renderer);
     if (!animation)
         return false;
 
     bool acceleratedOnly = false;
     bool isRunningNow = true;
-    return (isOpacityAcceleratable && animation->isAnimatingProperty(CSSPropertyOpacity, acceleratedOnly, isRunningNow))
+    return animation->isAnimatingProperty(CSSPropertyOpacity, acceleratedOnly, isRunningNow)
         || animation->isAnimatingProperty(CSSPropertyWebkitTransform, acceleratedOnly, isRunningNow)
         || animation->isAnimatingProperty(CSSPropertyWebkitFilter, acceleratedOnly, isRunningNow);
 }
 
 bool AnimationControllerPrivate::isRunningAcceleratedAnimationOnRenderer(RenderObject* renderer, CSSPropertyID property, bool isRunningNow) const
 {
     RefPtr<CompositeAnimation> animation = m_compositeAnimations.get(renderer);
     if (!animation)
         return false;
 
@@ skipping 210 matching lines @@
 unsigned AnimationController::numberOfActiveAnimations(Document* document) const
 {
     return m_data->numberOfActiveAnimations(document);
 }
 
 bool AnimationController::isRunningAnimationOnRenderer(RenderObject* renderer, CSSPropertyID property, bool isRunningNow) const
 {
     return m_data->isRunningAnimationOnRenderer(renderer, property, isRunningNow);
 }
 
-bool AnimationController::isRunningAcceleratableAnimationOnRenderer(RenderObject* renderer, bool isOpacityAcceleratable) const
+bool AnimationController::isRunningAcceleratableAnimationOnRenderer(RenderObject* renderer) const
 {
-    return m_data->isRunningAcceleratableAnimationOnRenderer(renderer, isOpacityAcceleratable);
+    return m_data->isRunningAcceleratableAnimationOnRenderer(renderer);
 }
 
 bool AnimationController::isRunningAcceleratedAnimationOnRenderer(RenderObject* renderer, CSSPropertyID property, bool isRunningNow) const
 {
     return m_data->isRunningAcceleratedAnimationOnRenderer(renderer, property, isRunningNow);
 }
 
 void AnimationController::serviceAnimations()
 {
     m_data->serviceAnimations();
@@ skipping 13 matching lines @@
     if (!m_beginAnimationUpdateCount)
         m_data->endAnimationUpdate();
 }
 
 bool AnimationController::supportsAcceleratedAnimationOfProperty(CSSPropertyID property)
 {
     return CSSPropertyAnimation::animationOfPropertyIsAccelerated(property);
 }
 
 } // namespace WebCore