Adds the ability for the renderer to create the mojo channel

content/browser/renderer_host/render_process_host_impl.h

Index: content/browser/renderer_host/render_process_host_impl.h
diff --git a/content/browser/renderer_host/render_process_host_impl.h b/content/browser/renderer_host/render_process_host_impl.h
index d5e24d334b438816174073e52f361dd994019d67..e76ad9b1223b8031e27ad1115d9a93d32c8a6b20 100644
--- a/content/browser/renderer_host/render_process_host_impl.h
+++ b/content/browser/renderer_host/render_process_host_impl.h
@@ -40,6 +40,7 @@ class BrowserDemuxerAndroid;
 class GeolocationDispatcherHost;
 class GpuMessageFilter;
 class MessagePortMessageFilter;
+class MojoChannelInit;
 class PeerConnectionTrackerHost;
 class RendererMainThread;
 class RenderWidgetHelper;
@@ -295,6 +296,9 @@ class CONTENT_EXPORT RenderProcessHostImpl
   void SendDisableAecDumpToRenderer();
 #endif
 
+  // Establishes the mojo channel to the renderer.
+  void CreateMojoChannel();
+
   // The registered IPC listener objects. When this list is empty, we should
   // delete ourselves.
   IDMap<IPC::Listener> listeners_;
@@ -416,14 +420,18 @@ class CONTENT_EXPORT RenderProcessHostImpl
   base::Callback<void(const std::string&)> webrtc_log_message_callback_;
 #endif
 
-  // Lives on the browser's ChildThread.
-  base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
-
   // Message filter and dispatcher for screen orientation.
   ScreenOrientationDispatcherHost* screen_orientation_dispatcher_host_;
 
   int worker_ref_count_;
 
+  // TODO(sky): remove ifdef, temporary until mac sorted out.
+#if !defined(OS_MACOSX)
+  scoped_ptr<MojoChannelInit> mojo_channel_init_;
+#endif
+
+  base::WeakPtrFactory<RenderProcessHostImpl> weak_factory_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderProcessHostImpl);
 };