WIP: Propagate SurfaceID up window tree hierarchy

content/renderer/gpu/render_widget_compositor.cc

Index: content/renderer/gpu/render_widget_compositor.cc
diff --git a/content/renderer/gpu/render_widget_compositor.cc b/content/renderer/gpu/render_widget_compositor.cc
index 9df32b57e394954851af095d482e4441e846fc8c..c6614ca6d80023bfa5b5e856039aa4f010d63b76 100644
--- a/content/renderer/gpu/render_widget_compositor.cc
+++ b/content/renderer/gpu/render_widget_compositor.cc
@@ -1105,8 +1105,9 @@ void RenderWidgetCompositor::SendCompositorProto(
   delegate_->ForwardCompositorProto(serialized);
 }
 
-void RenderWidgetCompositor::SetSurfaceClientId(uint32_t surface_client_id) {
-  layer_tree_host_->SetSurfaceClientId(surface_client_id);
+void RenderWidgetCompositor::SetFrameSinkId(
+    const cc::FrameSinkId& frame_sink_id) {
+  layer_tree_host_->SetFrameSinkId(frame_sink_id);
 }
 
 void RenderWidgetCompositor::OnHandleCompositorProto(