Adds plumbing to pass WebUI mojo::Handle from browser to renderer

content/renderer/mojo/mojo_render_process_observer.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 CONTENT_RENDERER_MOJO_MOJO_RENDER_PROCESS_OBSERVER_H_
 #define CONTENT_RENDERER_MOJO_MOJO_RENDER_PROCESS_OBSERVER_H_
 
 #include "base/memory/scoped_ptr.h"
+#include "content/common/mojo/render_process.mojom.h"
 #include "content/public/renderer/render_process_observer.h"
 #include "ipc/ipc_platform_file.h"
+#include "mojo/public/bindings/remote_ptr.h"
 
 namespace mojo {
 namespace embedder{
 struct ChannelInfo;
 }
 }
 
 namespace content {
 
 class MojoChannelInit;
 class RenderThread;
 
 // RenderProcessObserver implementation that initializes the mojo channel when
 // the right IPC is seen.
 // MojoRenderProcessObserver deletes itself when the RenderProcess is shutdown.
-class MojoRenderProcessObserver : public content::RenderProcessObserver {
+class MojoRenderProcessObserver
+    : public content::RenderProcessObserver,
+      public RenderProcessMojo {
  public:
   MojoRenderProcessObserver(RenderThread* render_thread);
 
   // RenderProcessObserver overrides:
   virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
   virtual void OnRenderProcessShutdown() OVERRIDE;
 
  private:
   virtual ~MojoRenderProcessObserver();
 
   void OnChannelCreated(const IPC::PlatformFileForTransit& file);
 
+  // RenderProcessMojo overrides:
+  virtual void SetWebUIHandle(
+      int32 view_routing_id,
+      mojo::ScopedMessagePipeHandle web_ui_handle) OVERRIDE;
+
   content::RenderThread* render_thread_;
 
   scoped_ptr<MojoChannelInit> channel_init_;
 
+  mojo::RemotePtr<content::RenderProcessHostMojo> render_process_host_mojo_;
+
   DISALLOW_COPY_AND_ASSIGN(MojoRenderProcessObserver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_RENDERER_MOJO_MOJO_RENDER_PROCESS_OBSERVER_H_