| Index: third_party/WebKit/Source/platform/scroll/ScrollAnimatorCompositorCoordinator.h | 
| diff --git a/third_party/WebKit/Source/platform/scroll/ScrollAnimatorCompositorCoordinator.h b/third_party/WebKit/Source/platform/scroll/ScrollAnimatorCompositorCoordinator.h | 
| index e0d41a8c0ebb7d7dbc3771b58c927c9b0653263a..f5f8823357fb06d7e8b6482d82bb868f54e30e13 100644 | 
| --- a/third_party/WebKit/Source/platform/scroll/ScrollAnimatorCompositorCoordinator.h | 
| +++ b/third_party/WebKit/Source/platform/scroll/ScrollAnimatorCompositorCoordinator.h | 
| @@ -34,6 +34,7 @@ public: | 
| virtual void tickAnimation(double monotonicTime) = 0; | 
| virtual void updateCompositorAnimations() = 0; | 
| virtual void notifyCompositorAnimationFinished(int groupId) = 0; | 
| +    virtual void notifyCompositorAnimationAborted(int groupId) = 0; | 
| virtual void layerForCompositedScrollingDidChange(WebCompositorAnimationTimeline*) = 0; | 
|  | 
| DEFINE_INLINE_VIRTUAL_TRACE() { } | 
| @@ -51,6 +52,7 @@ protected: | 
| // WebCompositorAnimationDelegate implementation. | 
| void notifyAnimationStarted(double monotonicTime, int group) override; | 
| void notifyAnimationFinished(double monotonicTime, int group) override; | 
| +    void notifyAnimationAborted(double monotonicTime, int group) override; | 
|  | 
| // WebCompositorAnimationPlayerClient implementation. | 
| WebCompositorAnimationPlayer* compositorPlayer() const override; | 
|  |