Unify Android Webview and Chrome's fling

content/browser/android/in_process/synchronous_compositor_impl.cc

Index: content/browser/android/in_process/synchronous_compositor_impl.cc
diff --git a/content/browser/android/in_process/synchronous_compositor_impl.cc b/content/browser/android/in_process/synchronous_compositor_impl.cc
index 24232ae06d29966daaaaa418446748cc03b3865d..5ffcf2160881f46427a188ed8db925627af42b9f 100644
--- a/content/browser/android/in_process/synchronous_compositor_impl.cc
+++ b/content/browser/android/in_process/synchronous_compositor_impl.cc
@@ -327,10 +327,17 @@ gfx::ScrollOffset SynchronousCompositorImpl::GetTotalScrollOffset() {
       compositor_client_->GetTotalRootLayerScrollOffset());
 }
 
-bool SynchronousCompositorImpl::IsExternalFlingActive() const {
+bool SynchronousCompositorImpl::IsExternalScrollActive() const {
   DCHECK(CalledOnValidThread());
   DCHECK(compositor_client_);
-  return compositor_client_->IsExternalFlingActive();
+  return compositor_client_->IsExternalScrollActive();
+}
+
+void SynchronousCompositorImpl::SetNeedsAnimate(
+    const AnimationCallback& animation) {
+  DCHECK(CalledOnValidThread());
+  if (compositor_client_)
+    compositor_client_->SetNeedsAnimateFling(animation);
 }
 
 void SynchronousCompositorImpl::UpdateRootLayerState(