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

content/renderer/browser_plugin/browser_plugin.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_H_
 #define CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_
 #pragma once
 
 #include "base/process.h"
 #include "content/renderer/render_view_impl.h"
@@ skipping 42 matching lines @@
 
   webkit::ppapi::WebPluginImpl* plugin() { return plugin_; }
 
   const WebKit::WebPluginParams& plugin_params() const {
     return plugin_params_;
   }
 
   void LoadGuest(int guest_process_id,
                  const IPC::ChannelHandle& channel_handle);
 
+  void AdvanceFocus(bool reverse);
+
   RenderViewImpl* render_view() { return render_view_; }
 
  private:
   BrowserPlugin(RenderViewImpl* render_view,
                 WebKit::WebFrame* frame,
                 const WebKit::WebPluginParams& params,
                 const std::string& html_data);
   virtual ~BrowserPlugin();
 
   // Parses the source URL of the browser plugin from the element's attributes
   // and outputs them. If not found, it outputs the defaults specified here as
   // parameters.
   void ParseSrcAttribute(const std::string& default_src, std::string* src);
   // Replace the current guest with a new guest.
   void Replace(webkit::ppapi::WebPluginImpl* new_plugin);
 
   RenderViewImpl* render_view_;
   WebKit::WebPluginParams plugin_params_;
   webkit::WebViewPlugin* placeholder_;
   webkit::ppapi::WebPluginImpl* plugin_;
   int id_;
 
   DISALLOW_COPY_AND_ASSIGN(BrowserPlugin);
 };
 
 #endif  // CONTENT_RENDERER_BROWSER_PLUGIN_BROWSER_PLUGIN_H_