Split surface id and simplify connecting to surfaces service

services/native_viewport/viewport_surface.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 SERVICES_NATIVE_VIEWPORT_VIEWPORT_SURFACE_H_
 #define SERVICES_NATIVE_VIEWPORT_VIEWPORT_SURFACE_H_
 
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "cc/surfaces/surface_id.h"
@@ skipping 22 matching lines @@
   void SetSize(const gfx::Size& size);
   void SetChildId(cc::SurfaceId child_id);
 
  private:
   void OnSurfaceConnectionCreated(mojo::SurfacePtr surface,
                                   uint32_t id_namespace);
   void BindSurfaceToNativeViewport();
   void SubmitFrame();
 
   // SurfaceClient implementation.
+  void SetIdNamespace(uint32_t id_namespace) override;
   void ReturnResources(
       mojo::Array<mojo::ReturnedResourcePtr> resources) override;
 
   mojo::SurfacePtr surface_;
   mojo::Gpu* gpu_service_;
   uint64_t widget_id_;
   gfx::Size size_;
   scoped_ptr<cc::SurfaceIdAllocator> id_allocator_;
   cc::SurfaceId id_;
   cc::SurfaceId child_id_;
   base::WeakPtrFactory<ViewportSurface> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(ViewportSurface);
 };
 
 }  // namespace native_viewport
 
 #endif  // SERVICES_NATIVE_VIEWPORT_VIEWPORT_SURFACE_H_