FrameSinkIds use to WindowIds in window server, Process ID/Route ID in renderer

services/ui/ws/server_window_surface_manager.cc

Index: services/ui/ws/server_window_surface_manager.cc
diff --git a/services/ui/ws/server_window_surface_manager.cc b/services/ui/ws/server_window_surface_manager.cc
index 7386a8fde892f1076256145405a7231fd4f62c1d..d15e0d5527a4e3d433b736e432c54742bd85ce5b 100644
--- a/services/ui/ws/server_window_surface_manager.cc
+++ b/services/ui/ws/server_window_surface_manager.cc
@@ -39,8 +39,11 @@ void ServerWindowSurfaceManager::CreateSurface(
     mojom::SurfaceType surface_type,
     mojo::InterfaceRequest<mojom::Surface> request,
     mojom::SurfaceClientPtr client) {
+  cc::FrameSinkId frame_sink_id(window_->id(),
+                                static_cast<uint32_t>(surface_type));
   std::unique_ptr<ServerWindowSurface> surface(
-      new ServerWindowSurface(this, std::move(request), std::move(client)));
+      new ServerWindowSurface(this, frame_sink_id,
+                              std::move(request), std::move(client)));
   type_to_surface_map_[surface_type] = std::move(surface);
 }