Web Animations: Use a single animation clock

third_party/WebKit/Source/core/animation/AnimationTimeline.h

Index: third_party/WebKit/Source/core/animation/AnimationTimeline.h
diff --git a/third_party/WebKit/Source/core/animation/AnimationTimeline.h b/third_party/WebKit/Source/core/animation/AnimationTimeline.h
index b88901f10365ba7571bb9d417105e49083262bf2..ef6cb9586643fe42cc383218ce5ebaf07b2f73ac 100644
--- a/third_party/WebKit/Source/core/animation/AnimationTimeline.h
+++ b/third_party/WebKit/Source/core/animation/AnimationTimeline.h
@@ -55,7 +55,6 @@ public:
     public:
         // Calls AnimationTimeline's wake() method after duration seconds.
         virtual void wakeAfter(double duration) = 0;
-        virtual void cancelWake() = 0;
         virtual void serviceOnNextFrame() = 0;
         virtual ~PlatformTiming() { }
         DEFINE_INLINE_VIRTUAL_TRACE() { }
@@ -72,6 +71,7 @@ public:
 
     void animationAttached(Animation&);
 
+    bool isActive();
     bool hasPendingUpdates() const { return !m_animationsNeedingUpdate.isEmpty(); }
     double zeroTime();
     double currentTime(bool& isNull);
@@ -99,6 +99,7 @@ public:
     void detachFromDocument();
 #endif
     void wake();
+    void resetForTesting();
 
     DECLARE_TRACE();
 
@@ -135,7 +136,6 @@ private:
         }
 
         void wakeAfter(double duration) override;
-        void cancelWake() override;
         void serviceOnNextFrame() override;
 
         void timerFired(Timer<AnimationTimelineTiming>*) { m_timeline->wake(); }