Split surface id and simplify connecting to surfaces service

examples/ganesh_app/texture_uploader.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_GANESH_APP_TEXTURE_UPLOADER_H_
 #define EXAMPLES_GANESH_APP_TEXTURE_UPLOADER_H_
 
 #include "base/containers/hash_tables.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
@@ skipping 26 matching lines @@
                   base::WeakPtr<mojo::GLContext> context);
   ~TextureUploader();
 
   void Upload(scoped_ptr<mojo::GLTexture> texture);
 
  private:
   // mojo::GLContext::Observer
   void OnContextLost() override;
 
   // mojo::SurfaceClient
+  void SetIdNamespace(uint32_t id_namespace) override;
   void ReturnResources(
       mojo::Array<mojo::ReturnedResourcePtr> resources) override;
   void OnSurfaceConnectionCreated(mojo::SurfacePtr surface,
                                   uint32_t id_namespace);
   void EnsureSurfaceForSize(const mojo::Size& size);
 
   Client* client_;
   base::WeakPtr<mojo::GLContext> context_;
   mojo::SurfacesServicePtr surfaces_service_;
   scoped_ptr<mojo::GLTexture> pending_upload_;
   mojo::SurfacePtr surface_;
   mojo::Size surface_size_;
   uint32_t next_resource_id_;
   uint32_t id_namespace_;
   mojo::SurfaceIdPtr surface_id_;
   base::hash_map<uint32_t, mojo::GLTexture*> resource_to_texture_map_;
 
   base::WeakPtrFactory<TextureUploader> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(TextureUploader);
 };
 
 }  // namespace examples
 
 #endif  // EXAMPLES_GANESH_APP_TEXTURE_UPLOADER_H_