Compositor bindings for mojo html_viewer

mojo/cc/output_surface_mojo.h

Index: mojo/cc/output_surface_mojo.h
diff --git a/mojo/cc/output_surface_mojo.h b/mojo/cc/output_surface_mojo.h
index fbde9315a3e7ac46f594201f197e57380706fe81..f5b98aec9939b999f4f744b880d9c24aa8697798 100644
--- a/mojo/cc/output_surface_mojo.h
+++ b/mojo/cc/output_surface_mojo.h
@@ -12,12 +12,19 @@
 
 namespace mojo {
 
+class OutputSurfaceMojoClient {
+ public:
+  virtual ~OutputSurfaceMojoClient() {}
+
+  virtual void DidCreateSurface(cc::SurfaceId id) = 0;
+};
+
 class OutputSurfaceMojo : public cc::OutputSurface, public SurfaceClient {
  public:
-  OutputSurfaceMojo(const scoped_refptr<cc::ContextProvider>& context_provider,
+  OutputSurfaceMojo(OutputSurfaceMojoClient* client,
+                    const scoped_refptr<cc::ContextProvider>& context_provider,
                     SurfacePtr surface,
                     uint32_t id_namespace);
-  virtual ~OutputSurfaceMojo();
 
   // SurfaceClient implementation.
   virtual void ReturnResources(Array<ReturnedResourcePtr> resources) OVERRIDE;
@@ -25,7 +32,11 @@ class OutputSurfaceMojo : public cc::OutputSurface, public SurfaceClient {
   // cc::OutputSurface implementation.
   virtual void SwapBuffers(cc::CompositorFrame* frame) OVERRIDE;
 
+ protected:
+  virtual ~OutputSurfaceMojo();
+
  private:
+  OutputSurfaceMojoClient* output_surface_mojo_client_;
   SurfacePtr surface_;
   cc::SurfaceIdAllocator id_allocator_;
   cc::SurfaceId surface_id_;