Plumb smooth scrolling in Chromium compositor

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 e16539eadfcbb8f13e3ac0931cd7f7d89799658c..b3a7375b2542e6bd904a3f52ad4e9d21ae42aaae 100644
--- a/content/browser/android/in_process/synchronous_compositor_impl.cc
+++ b/content/browser/android/in_process/synchronous_compositor_impl.cc
@@ -358,14 +358,6 @@ gfx::ScrollOffset SynchronousCompositorImpl::GetTotalScrollOffset() {
       compositor_client_->GetTotalRootLayerScrollOffset());
 }
 
-bool SynchronousCompositorImpl::IsExternalScrollActive() const {
-  DCHECK(CalledOnValidThread());
-  DCHECK(compositor_client_);
-  if (!registered_with_client_)
-    return false;
-  return compositor_client_->IsExternalScrollActive();
-}
-
 void SynchronousCompositorImpl::SetNeedsAnimate(
     const AnimationCallback& animation) {
   DCHECK(CalledOnValidThread());