Add a Display and ContextProvider concept to mojom, use to recreate

services/surfaces/surfaces_impl.h

Index: services/surfaces/surfaces_impl.h
diff --git a/services/surfaces/surfaces_impl.h b/services/surfaces/surfaces_impl.h
index fe3c34dc604b7714e846bc27eaaa389494dd52d2..1c26f3422a14c323ceb5522b11918cc62e01fc74 100644
--- a/services/surfaces/surfaces_impl.h
+++ b/services/surfaces/surfaces_impl.h
@@ -25,18 +25,11 @@ class ApplicationManager;
 
 namespace surfaces {
 
-class SurfacesImpl : public mojo::Surface,
-                     public mojo::ViewportParameterListener,
-                     public cc::SurfaceFactoryClient,
-                     public cc::DisplayClient {
+class SurfacesImpl : public mojo::Surface, public cc::SurfaceFactoryClient {
  public:
   class Client {
    public:
-    virtual void OnVSyncParametersUpdated(base::TimeTicks timebase,
-                                          base::TimeDelta interval) = 0;
     virtual void FrameSubmitted() = 0;
-    virtual void SetDisplay(cc::Display* display) = 0;
-    virtual void OnDisplayBeingDestroyed(cc::Display* display) = 0;
   };
 
   SurfacesImpl(cc::SurfaceManager* manager,
@@ -59,28 +52,10 @@ class SurfacesImpl : public mojo::Surface,
                    mojo::FramePtr frame,
                    const mojo::Closure& callback) override;
   void DestroySurface(uint32_t local_id) override;
-  void CreateGLES2BoundSurface(
-      mojo::CommandBufferPtr gles2_client,
-      uint32_t local_id,
-      mojo::SizePtr size,
-      mojo::InterfaceRequest<mojo::ViewportParameterListener> listener_request)
-      override;
 
   // SurfaceFactoryClient implementation.
   void ReturnResources(const cc::ReturnedResourceArray& resources) override;
 
-  // DisplayClient implementation.
-  void DisplayDamaged() override;
-  void DidSwapBuffers() override;
-  void DidSwapBuffersComplete() override;
-  void CommitVSyncParameters(base::TimeTicks timebase,
-                             base::TimeDelta interval) override;
-  void OutputSurfaceLost() override;
-  void SetMemoryPolicy(const cc::ManagedMemoryPolicy& policy) override;
-
-  // ViewportParameterListener
-  void OnVSyncParametersUpdated(int64_t timebase, int64_t interval) override;
-
   cc::SurfaceFactory* factory() { return &factory_; }
 
  private:
@@ -94,10 +69,7 @@ class SurfacesImpl : public mojo::Surface,
   cc::SurfaceFactory factory_;
   const uint32_t id_namespace_;
   Client* client_;
-  uint32_t displayed_surface_;
-  scoped_ptr<cc::Display> display_;
   mojo::ScopedMessagePipeHandle command_buffer_handle_;
-  mojo::WeakBindingSet<ViewportParameterListener> parameter_listeners_;
   mojo::ResourceReturnerPtr returner_;
   mojo::StrongBinding<Surface> binding_;