Enabling Aura-Mus clients to submit frames to Mus.

ui/aura/mus/window_port_mus.h

Index: ui/aura/mus/window_port_mus.h
diff --git a/ui/aura/mus/window_port_mus.h b/ui/aura/mus/window_port_mus.h
index 7b23d06034b5b889f5435b7875911901b003d4ca..a187d0da069994e6dfe9d1f4b210becc5730d3ec 100644
--- a/ui/aura/mus/window_port_mus.h
+++ b/ui/aura/mus/window_port_mus.h
@@ -13,8 +13,10 @@
 #include "base/logging.h"
 #include "base/macros.h"
 #include "services/ui/public/interfaces/cursor.mojom.h"
+#include "services/ui/public/interfaces/window_tree_constants.mojom.h"
 #include "ui/aura/aura_export.h"
 #include "ui/aura/mus/mus_types.h"
+#include "ui/aura/mus/window_compositor_frame_sink.h"
 #include "ui/aura/mus/window_mus.h"
 #include "ui/aura/window_port.h"
 #include "ui/gfx/geometry/rect.h"
@@ -52,6 +54,16 @@ class AURA_EXPORT WindowPortMus : public WindowPort, public WindowMus {
   ui::mojom::Cursor predefined_cursor() const { return predefined_cursor_; }
   void SetPredefinedCursor(ui::mojom::Cursor cursor_id);
 
+  std::unique_ptr<WindowCompositorFrameSink> RequestCompositorFrameSink(
+      ui::mojom::CompositorFrameSinkType type,
+      scoped_refptr<cc::ContextProvider> context_provider,
+      gpu::GpuMemoryBufferManager* gpu_memory_buffer_manager);
+
+  void AttachCompositorFrameSink(
+      ui::mojom::CompositorFrameSinkType type,
+      std::unique_ptr<WindowCompositorFrameSinkBinding>
+          compositor_frame_sink_binding);
+
   void set_surface_id_handler(SurfaceIdHandler* surface_id_handler) {
     surface_id_handler_ = surface_id_handler;
   }