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

services/native_viewport/onscreen_context_provider.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_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_
 #define SERVICES_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_
 
 #include "base/memory/ref_counted.h"
 #include "mojo/services/gpu/interfaces/context_provider.mojom.h"
 #include "mojo/services/gpu/interfaces/viewport_parameter_listener.mojom.h"
@@ skipping 15 matching lines @@
 
   void Bind(mojo::InterfaceRequest<mojo::ContextProvider> request);
 
   void SetAcceleratedWidget(gfx::AcceleratedWidget widget);
   void set_surface_configuration(
       const gfx::SurfaceConfiguration requested_configuration) {
     requested_configuration_ = requested_configuration;
   };
  private:
   // mojo::ContextProvider implementation:
-  void Create(mojo::ViewportParameterListenerPtr viewport_parameter_listener,
+  void Create(mojo::InterfaceHandle<mojo::ViewportParameterListener>
+                  viewport_parameter_listener,
               const CreateCallback& callback) override;
 
   // gles2::CommandBufferImpl::Observer implementation:
   void OnCommandBufferImplDestroyed() override;
 
   void CreateAndReturnCommandBuffer();
 
   gfx::SurfaceConfiguration requested_configuration_;
   gles2::CommandBufferImpl* command_buffer_impl_;
   scoped_refptr<gles2::GpuState> state_;
   gfx::AcceleratedWidget widget_;
   mojo::ViewportParameterListenerPtr pending_listener_;
   CreateCallback pending_create_callback_;
   mojo::Binding<mojo::ContextProvider> binding_;
 
   DISALLOW_COPY_AND_ASSIGN(OnscreenContextProvider);
 };
 
 }  // namespace mojo
 
 #endif  // SERVICES_NATIVE_VIEWPORT_ONSCREEN_CONTEXT_PROVIDER_H_