Takeover MT initiated animations from the compositor

third_party/WebKit/Source/platform/scroll/ScrollAnimatorBase.h

Index: third_party/WebKit/Source/platform/scroll/ScrollAnimatorBase.h
diff --git a/third_party/WebKit/Source/platform/scroll/ScrollAnimatorBase.h b/third_party/WebKit/Source/platform/scroll/ScrollAnimatorBase.h
index 68d78057f6ca6dd50cd67e231084252ebd700b08..6ad481e4eb96b18d4cd9e824950b687a4cce3349 100644
--- a/third_party/WebKit/Source/platform/scroll/ScrollAnimatorBase.h
+++ b/third_party/WebKit/Source/platform/scroll/ScrollAnimatorBase.h
@@ -81,6 +81,7 @@ public:
     ScrollableArea* scrollableArea() const override { return m_scrollableArea; }
     void tickAnimation(double monotonicTime) override { };
     void cancelAnimation() override { }
+    void takeoverCompositorAnimation() override { }
     void updateCompositorAnimations() override { };
     void notifyCompositorAnimationFinished(int groupId) override { };
     void notifyCompositorAnimationAborted(int groupId) override { };