Web Animations: Compositor start notification should only apply to animations in a matching group

Source/core/animation/CompositorAnimationsTest.cpp

 /*
  * Copyright (c) 2013, Google 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 95 matching lines @@
     bool isCandidateForAnimationOnCompositor(const Timing& timing, const AnimationEffect& effect)
     {
         return CompositorAnimations::instance()->isCandidateForAnimationOnCompositor(timing, effect, 1);
     }
     void getAnimationOnCompositor(Timing& timing, AnimatableValueKeyframeEffectModel& effect, Vector<OwnPtr<WebCompositorAnimation> >& animations)
     {
         return getAnimationOnCompositor(timing, effect, animations, 1);
     }
     void getAnimationOnCompositor(Timing& timing, AnimatableValueKeyframeEffectModel& effect, Vector<OwnPtr<WebCompositorAnimation> >& animations, double playerPlaybackRate)
     {
-        return CompositorAnimationsImpl::getAnimationOnCompositor(timing, std::numeric_limits<double>::quiet_NaN(), 0, effect, animations, playerPlaybackRate);
+        return CompositorAnimationsImpl::getAnimationOnCompositor(timing, 0, std::numeric_limits<double>::quiet_NaN(), 0, effect, animations, playerPlaybackRate);
     }
     bool getAnimationBounds(FloatBox& boundingBox, const AnimationEffect& effect, double minValue, double maxValue)
     {
         return CompositorAnimations::instance()->getAnimatedBoundingBox(boundingBox, effect, minValue, maxValue);
     }
 
     bool duplicateSingleKeyframeAndTestIsCandidateOnResult(AnimatableValueKeyframe* frame)
     {
         EXPECT_EQ(frame->offset(), 0);
         AnimatableValueKeyframeVector frames;
@@ skipping 972 matching lines @@
 
     // Go!
     setCompositorForTesting(mockCompositor);
     Vector<OwnPtr<WebCompositorAnimation> > result;
     getAnimationOnCompositor(m_timing, *effect.get(), result);
     EXPECT_EQ(1U, result.size());
     result[0].clear();
 }
 
 } // namespace blink