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 5963ac59523e0ce806f1dd4df017b6745a73a212..51f5d08c950d09cc22ad3d04d0350d8758ba0da8 100644
--- a/content/browser/android/in_process/synchronous_compositor_impl.cc
+++ b/content/browser/android/in_process/synchronous_compositor_impl.cc
@@ -343,12 +343,21 @@ gfx::ScrollOffset SynchronousCompositorImpl::GetTotalScrollOffset() {
       compositor_client_->GetTotalRootLayerScrollOffset());
 }
 
-bool SynchronousCompositorImpl::IsExternalFlingActive() const {
+bool SynchronousCompositorImpl::IsExternalScrollActive() const {
   DCHECK(CalledOnValidThread());
   DCHECK(compositor_client_);
   if (!registered_with_client_)
     return false;
-  return compositor_client_->IsExternalFlingActive();
+  return compositor_client_->IsExternalScrollActive();
+}
+
+void SynchronousCompositorImpl::SetNeedsAnimate(
+    const AnimationCallback& animation) {
+  DCHECK(CalledOnValidThread());
+  DCHECK(compositor_client_);
+  if (!registered_with_client_)
+    return;
+  compositor_client_->SetNeedsAnimateScroll(animation);
 }
 
 void SynchronousCompositorImpl::UpdateRootLayerState(