Moves FrameHostMsg_SetCookie to a Mojo message

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 481fad99ceb65002ab1e7e4e2e160eb6db735df8..cbb151eee11f33fbe90834bff5c0e1c789d5dec0 100644
--- a/content/browser/renderer_host/render_process_host_impl.h
+++ b/content/browser/renderer_host/render_process_host_impl.h
@@ -61,6 +61,7 @@ class P2PSocketDispatcherHost;
 class PermissionServiceContext;
 class PeerConnectionTrackerHost;
 class RendererMainThread;
+class RenderFrameMessageFilter;
 class RenderWidgetHelper;
 class RenderWidgetHost;
 class RenderWidgetHostImpl;
@@ -246,6 +247,10 @@ class CONTENT_EXPORT RenderProcessHostImpl
   }
 #endif
 
+  RenderFrameMessageFilter* render_frame_message_filter() const {

[jam, 2016/07/26 19:13:32]

nit: add a _for_testing suffix since it's only called from a test.

[Ken Rockot(use gerrit already), 2016/07/26 21:00:34]

Done

+    return render_frame_message_filter_.get();
+  }
+
   MessagePortMessageFilter* message_port_message_filter() const {
     return message_port_message_filter_.get();
   }
@@ -378,6 +383,8 @@ class CONTENT_EXPORT RenderProcessHostImpl
   // IO thread.
   scoped_refptr<RenderWidgetHelper> widget_helper_;
 
+  scoped_refptr<RenderFrameMessageFilter> render_frame_message_filter_;
+
   // The filter for MessagePort messages coming from the renderer.
   scoped_refptr<MessagePortMessageFilter> message_port_message_filter_;