Convert SetIsIncognitoProcess to use mojo.

content/public/renderer/render_thread_observer.h

 // Copyright (c) 2012 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_PUBLIC_RENDERER_RENDER_THREAD_OBSERVER_H_
 #define CONTENT_PUBLIC_RENDERER_RENDER_THREAD_OBSERVER_H_
 
 #include "base/macros.h"
 #include "content/common/content_export.h"
+#include "content/public/common/associated_interface_registry.h"
 
 namespace IPC {
 class Message;
 }
 
 namespace content {
 
 // Base class for objects that want to filter control IPC messages and get
 // notified of events.
 class CONTENT_EXPORT RenderThreadObserver {
  public:
   RenderThreadObserver() {}
   virtual ~RenderThreadObserver() {}
 
+  // Allows handling incoming Mojo requests.
+  virtual void RegisterMojoInterfaces(
+      AssociatedInterfaceRegistry* associated_interfaces) {}
+
   // Allows filtering of control messages.
   virtual bool OnControlMessageReceived(const IPC::Message& message);
 
   // Notification that the render process is shutting down.
   virtual void OnRenderProcessShutdown() {}
 
   // Called when the renderer cache of the plugin list has changed.
   virtual void PluginListChanged() {}
 
   virtual void IdleNotification() {}
 
   // Called when the network state changes.
   virtual void NetworkStateChanged(bool online) {}
 
  private:
   DISALLOW_COPY_AND_ASSIGN(RenderThreadObserver);
 };
 
 }  // namespace content
 
 #endif  // CONTENT_PUBLIC_RENDERER_RENDER_THREAD_OBSERVER_H_