Split surface id and simplify connecting to surfaces service

examples/surfaces_app/child_gl_impl.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef EXAMPLES_SURFACES_APP_CHILD_GL_IMPL_H_
 #define EXAMPLES_SURFACES_APP_CHILD_GL_IMPL_H_
 
 #include "base/containers/hash_tables.h"
 #include "base/macros.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/time/time.h"
 #include "cc/surfaces/surface_id.h"
 #include "cc/surfaces/surface_id_allocator.h"
 #include "examples/sample_app/spinning_cube.h"
 #include "examples/surfaces_app/child.mojom.h"
 #include "mojo/public/c/gles2/gles2.h"
 #include "mojo/public/cpp/bindings/string.h"
 #include "mojo/services/surfaces/public/interfaces/surface_id.mojom.h"
 #include "mojo/services/surfaces/public/interfaces/surfaces.mojom.h"
-#include "mojo/services/surfaces/public/interfaces/surfaces_service.mojom.h"
 #include "third_party/skia/include/core/SkColor.h"
 #include "ui/gfx/size.h"
 
 namespace cc {
 class CompositorFrame;
 }
 
 namespace mojo {
 
 class ApplicationConnection;
 
 namespace examples {
 
 // Simple example of a child app using surfaces + GL.
 class ChildGLImpl : public InterfaceImpl<Child>, public SurfaceClient {
  public:
   ChildGLImpl(ApplicationConnection* surfaces_service_connection,
               CommandBufferPtr command_buffer);
-  virtual ~ChildGLImpl();
+  ~ChildGLImpl() override;
 
   // SurfaceClient implementation
-  virtual void ReturnResources(Array<ReturnedResourcePtr> resources) override;
+  void SetIdNamespace(uint32_t id_namespace) override;
+  void ReturnResources(Array<ReturnedResourcePtr> resources) override;
 
  private:
   // Child implementation.
-  virtual void ProduceFrame(
+  void ProduceFrame(
       ColorPtr color,
       SizePtr size,
       const mojo::Callback<void(SurfaceIdPtr id)>& callback) override;
 
-  void SurfaceConnectionCreated(SurfacePtr surface, uint32_t id_namespace);
   void AllocateSurface();
   void Draw();
 
   SkColor color_;
   gfx::Size size_;
   scoped_ptr<cc::SurfaceIdAllocator> allocator_;
-  SurfacesServicePtr surfaces_service_;
   SurfacePtr surface_;
   MojoGLES2Context context_;
   cc::SurfaceId id_;
   ::examples::SpinningCube cube_;
-  Callback<void(SurfaceIdPtr id)> produce_callback_;
   base::TimeTicks start_time_;
   uint32_t next_resource_id_;
   base::hash_map<uint32_t, GLuint> id_to_tex_map_;
   base::WeakPtrFactory<ChildGLImpl> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ChildGLImpl);
 };
 
 }  // namespace examples
 }  // namespace mojo
 
 #endif  // EXAMPLES_SURFACES_APP_CHILD_GL_IMPL_H_