WIP: Surface Synchronization System

content/renderer/mus/renderer_window_tree_client.h

Index: content/renderer/mus/renderer_window_tree_client.h
diff --git a/content/renderer/mus/renderer_window_tree_client.h b/content/renderer/mus/renderer_window_tree_client.h
index 982e6acfdd7d571a6e5e4ce376bb5c841c862d22..c6f3ae40fcc11aad081384075c7dbe96a157b5e7 100644
--- a/content/renderer/mus/renderer_window_tree_client.h
+++ b/content/renderer/mus/renderer_window_tree_client.h
@@ -8,6 +8,7 @@
 #include "base/macros.h"
 #include "mojo/public/cpp/bindings/binding.h"
 #include "services/ui/common/types.h"
+#include "services/ui/public/cpp/client_compositor_frame_sink.h"
 #include "services/ui/public/interfaces/window_tree.mojom.h"
 
 namespace cc {
@@ -38,6 +39,10 @@ class RendererWindowTreeClient : public ui::mojom::WindowTreeClient {
   // nullptr if none exists.
   static RendererWindowTreeClient* Get(int routing_id);
 
+  const cc::LocalSurfaceId& local_surface_id() const {
+    return current_local_surface_id_;
+  }
+
   void Bind(ui::mojom::WindowTreeClientRequest request);
 
   using CompositorFrameSinkCallback =
@@ -148,6 +153,10 @@ class RendererWindowTreeClient : public ui::mojom::WindowTreeClient {
                                   bool success,
                                   uint32_t action_taken) override;
   void OnDragDropDone() override;
+  void OnSetWindowBoundsResponse(
+      uint32_t change_id,
+      const gfx::Rect& bounds,
+      const cc::LocalSurfaceId& local_surface_id) override;
   void OnChangeCompleted(uint32_t change_id, bool success) override;
   void RequestClose(uint32_t window_id) override;
   void GetWindowManager(
@@ -161,6 +170,7 @@ class RendererWindowTreeClient : public ui::mojom::WindowTreeClient {
   gpu::GpuMemoryBufferManager* pending_gpu_memory_buffer_manager_ = nullptr;
   CompositorFrameSinkCallback pending_compositor_frame_sink_callback_;
   ui::mojom::WindowTreePtr tree_;
+  cc::LocalSurfaceId current_local_surface_id_;
   mojo::Binding<ui::mojom::WindowTreeClient> binding_;
 
   DISALLOW_COPY_AND_ASSIGN(RendererWindowTreeClient);