Implement aura::WindowPortMus::CreateCompositorFrameSink()

ui/aura/mus/window_mus.h

Index: ui/aura/mus/window_mus.h
diff --git a/ui/aura/mus/window_mus.h b/ui/aura/mus/window_mus.h
index af7692ced581eff88d13e05ca4e7b944a73031f3..71a5c940d2e75dc92a46a400f89d01a959c0cedd 100644
--- a/ui/aura/mus/window_mus.h
+++ b/ui/aura/mus/window_mus.h
@@ -88,8 +88,8 @@ class AURA_EXPORT WindowMus {
       const cc::FrameSinkId& frame_sink_id) = 0;
   virtual const cc::LocalSurfaceId& GetOrAllocateLocalSurfaceId(
       const gfx::Size& new_size) = 0;
-  virtual void SetPrimarySurfaceInfo(const cc::SurfaceInfo& surface_info) = 0;
-  virtual void SetFallbackSurfaceInfo(const cc::SurfaceInfo& surface_info) = 0;
+  virtual void SetSurfaceInfoFromServer(
+      const cc::SurfaceInfo& surface_info) = 0;
   // The window was deleted on the server side. DestroyFromServer() should
   // result in deleting |this|.
   virtual void DestroyFromServer() = 0;