WIP: Propagate SurfaceID up window tree hierarchy

cc/trees/layer_tree_host_in_process.cc

Index: cc/trees/layer_tree_host_in_process.cc
diff --git a/cc/trees/layer_tree_host_in_process.cc b/cc/trees/layer_tree_host_in_process.cc
index 5755eb2248ab92266dd2e75f21cd960ed9504909..4cb7d1b8dda3cbf9a6139ebdc5ae8c3d9392e29f 100644
--- a/cc/trees/layer_tree_host_in_process.cc
+++ b/cc/trees/layer_tree_host_in_process.cc
@@ -374,8 +374,8 @@ const LayerTreeSettings& LayerTreeHostInProcess::GetSettings() const {
   return settings_;
 }
 
-void LayerTreeHostInProcess::SetSurfaceClientId(uint32_t client_id) {
-  surface_sequence_generator_.set_surface_client_id(client_id);
+void LayerTreeHostInProcess::SetFrameSinkId(const FrameSinkId& frame_sink_id) {
+  surface_sequence_generator_.set_frame_sink_id(frame_sink_id);
 }
 
 void LayerTreeHostInProcess::QueueSwapPromise(