Mojo C++ bindings: Generate InterfaceHandle<> instead of InterfacePtr<>.

services/gfx/compositor/compositor_engine.h

 // Copyright 2015 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_GFX_COMPOSITOR_COMPOSITOR_H_
 #define SERVICES_GFX_COMPOSITOR_COMPOSITOR_H_
 
 #include <unordered_map>
 #include <vector>
 
@@ skipping 16 matching lines @@
 
   // COMPOSITOR REQUESTS
 
   // Registers a scene.
   mojo::gfx::composition::SceneTokenPtr CreateScene(
       mojo::InterfaceRequest<mojo::gfx::composition::Scene> scene_request,
       const mojo::String& label);
 
   // Creates a scene graph renderer.
   void CreateRenderer(
-      mojo::ContextProviderPtr context_provider,
+      mojo::InterfaceHandle<mojo::ContextProvider> context_provider,
       mojo::InterfaceRequest<mojo::gfx::composition::Renderer> renderer_request,
       const mojo::String& label);
 
   // SCENE REQUESTS
 
   // Sets the scene listener.
   void SetListener(SceneState* scene_state,
                    mojo::gfx::composition::SceneListenerPtr listener);
 
   // Updates a scene.
@@ skipping 80 matching lines @@
   std::vector<RendererState*> renderers_;
 
   base::WeakPtrFactory<CompositorEngine> weak_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(CompositorEngine);
 };
 
 }  // namespace compositor
 
 #endif  // SERVICES_GFX_COMPOSITOR_COMPOSITOR_H_