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..49b127dd61006d537fc7d6abf747e35d5579719c 100644
--- a/content/browser/android/in_process/synchronous_compositor_impl.cc
+++ b/content/browser/android/in_process/synchronous_compositor_impl.cc
@@ -343,12 +343,19 @@ 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_);

[boliu, 2015/06/08 16:54:52]

Should check for registered_with_client_ after rebase

[hush (inactive), 2015/06/09 19:11:34]

Done.

+  compositor_client_->SetNeedsAnimateScroll(animation);
 }
 
 void SynchronousCompositorImpl::UpdateRootLayerState(