sync compositor: Merge input path with chrome

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 a10e6082a4d41ff89dc20812d16a1233962fe23e..866dffecd8a60ee4380ac646d138262f6c6ca5d1 100644
--- a/content/browser/android/in_process/synchronous_compositor_impl.cc
+++ b/content/browser/android/in_process/synchronous_compositor_impl.cc
@@ -279,7 +279,7 @@ void SynchronousCompositorImpl::UpdateNeedsBeginFrames() {
   rwhva_->OnSetNeedsBeginFrames(is_active_ && renderer_needs_begin_frames_);
 }
 
-void SynchronousCompositorImpl::DidOverscroll(
+void SynchronousCompositorImpl::DidOverscrollInProc(
     const DidOverscrollParams& params) {
   if (registered_with_client_) {
     compositor_client_->DidOverscroll(params.accumulated_overscroll,
@@ -303,6 +303,11 @@ InputEventAckState SynchronousCompositorImpl::HandleInputEvent(
       routing_id_, input_event);
 }
 
+void SynchronousCompositorImpl::DidOverscroll(
+    const DidOverscrollParams& params) {
+  // Intentional No-op.

[tdresser, 2016/02/29 16:42:49]

Comment why this should be a no-op.

[boliu, 2016/02/29 21:04:40]

Actually should really a NOTREACHED. Done.

+}
+
 bool SynchronousCompositorImpl::OnMessageReceived(const IPC::Message& message) {
   NOTREACHED();
   return false;