OnAnimationStarted 288 cc/animation/layer_animation_controller.cc OnAnimationStarted(event)); OnAnimationStarted 304 cc/animation/layer_animation_controller.cc OnAnimationStarted(event)); OnAnimationStarted 14 cc/animation/layer_animation_event_observer.h virtual void OnAnimationStarted(const AnimationEvent& event) = 0; OnAnimationStarted 348 ui/compositor/layer.h virtual void OnAnimationStarted(const cc::AnimationEvent& event) OVERRIDE;