Web Animations: Plumb compositor group id through animation creation and start/finish notifications

Source/core/animation/CompositorAnimationsTestHelper.h

 /*
  * Copyright (C) 2012 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:
  * 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
  *     notice, this list of conditions and the following disclaimer in the
@@ skipping 57 matching lines @@
 class WebCompositorAnimationMock : public WebCompositorAnimation {
 private:
     WebCompositorAnimation::TargetProperty m_property;
 
 public:
     // Target Property is set through the constructor.
     WebCompositorAnimationMock(WebCompositorAnimation::TargetProperty p) : m_property(p) { }
     virtual WebCompositorAnimation::TargetProperty targetProperty() const { return m_property; };
 
     MOCK_METHOD0(id, int());
+    MOCK_METHOD0(group, int());
 
     MOCK_CONST_METHOD0(iterations, double());
     MOCK_METHOD1(setIterations, void(double));
 
     MOCK_CONST_METHOD0(iterationStart, double());
     MOCK_METHOD1(setIterationStart, void(double));
 
     MOCK_CONST_METHOD0(startTime, double());
     MOCK_METHOD1(setStartTime, void(double));
 
@@ skipping 33 matching lines @@
 } // namespace blink
 
 namespace blink {
 
 class AnimationCompositorAnimationsTestBase : public ::testing::Test {
 public:
     AnimationCompositorAnimationsTestBase() : m_proxyPlatform(&m_mockCompositor) { };
 
     class WebCompositorSupportMock : public WebCompositorSupport {
     public:
-        MOCK_METHOD3(createAnimation, WebCompositorAnimation*(const WebCompositorAnimationCurve& curve, WebCompositorAnimation::TargetProperty target, int animationId));
+        MOCK_METHOD4(createAnimation, WebCompositorAnimation*(const WebCompositorAnimationCurve& curve, WebCompositorAnimation::TargetProperty target, int groupId, int animationId));
         MOCK_METHOD0(createFloatAnimationCurve, WebFloatAnimationCurve*());
     };
 
 private:
     class PlatformProxy : public Platform {
     public:
         PlatformProxy(WebCompositorSupportMock** compositor) : m_compositor(compositor) { }
 
         virtual void cryptographicallyRandomValues(unsigned char* buffer, size_t length) { ASSERT_NOT_REACHED(); }
     private:
@@ skipping 22 matching lines @@
     void setCompositorForTesting(WebCompositorSupportMock& mock)
     {
         ASSERT(!m_mockCompositor);
         m_mockCompositor = &mock;
     }
 };
 
 }
 
 #endif