Browser Plugin: Plumbing to enable tabbing out of a browser tag

content/renderer/browser_plugin/browser_plugin_channel_manager.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_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_CHANNEL_MANAGER_H_
 #define CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_CHANNEL_MANAGER_H_
 #pragma once
 
 #include <set>
 
@@ skipping 42 matching lines @@
                   const std::string& embedder_channel_name,
                   int embedder_container_id);
 
  private:
   typedef std::map<std::string, scoped_refptr<GuestToEmbedderChannel> >
       EmbedderChannelNameToChannelMap;
 
   void OnLoadGuest(int instance_id,
                    int guest_renderer_id,
                    const IPC::ChannelHandle& channel_handle);
+  void OnAdvanceFocus(int instance_id, bool reverse);
 
   // RenderProcessObserver override. Call on render thread.
   virtual bool OnControlMessageReceived(const IPC::Message& message) OVERRIDE;
 
   // Map from Host process ID to GuestToEmbedderChannel
   EmbedderChannelNameToChannelMap embedder_channels_;
 
   // Map from <embedder_channel_name, embedder_container_id> to RenderViewImpl
   // that points to RenderViewImpl guests that have been constructed but don't
   // have a PP_Instance and so they aren't yet ready to composite.
   std::map<std::pair<std::string, int>,
            base::WeakPtr<RenderViewImpl> > pending_guests_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPluginChannelManager);
 };
 
 }  // namespace content
 
 #endif //  CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_CHANNEL_MANAGER_H_