Define ENABLE_MOBILE_YOUTUBE_PLUGIN on Android.

chrome/renderer/plugins/plugin_placeholder.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 CHROME_RENDERER_PLUGINS_PLUGIN_PLACEHOLDER_H_
 #define CHROME_RENDERER_PLUGINS_PLUGIN_PLACEHOLDER_H_
 
 #include "content/public/renderer/render_process_observer.h"
 #include "content/public/renderer/render_view_observer.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebPluginParams.h"
@@ skipping 129 matching lines @@
   void OnFinishedDownloadingPlugin();
   void OnErrorDownloadingPlugin(const std::string& error);
   void OnCancelledDownloadingPlugin();
 #endif
 
 #if defined(ENABLE_MOBILE_YOUTUBE_PLUGIN)
  // Check whether the url is valid.
   static bool IsValidYouTubeVideo(const std::string& path);
 
   // Opens a youtube app in the current tab.
-  void OpenYoutubeUrlCallback(const CppArgumentList& args, CppVariant* result);
+  void OpenYoutubeUrlCallback(const webkit_glue::CppArgumentList& args,
+                              webkit_glue::CppVariant* result);
 #endif
 
   void SetMessage(const string16& message);
   void UpdateMessage();
 
   WebKit::WebFrame* frame_;
   WebKit::WebPluginParams plugin_params_;
   webkit::WebViewPlugin* plugin_;
 
   webkit::WebPluginInfo plugin_info_;
@@ skipping 19 matching lines @@
   bool hidden_;
   bool has_host_;
   bool finished_loading_;
   string16 plugin_name_;
   std::string identifier_;
 
   DISALLOW_COPY_AND_ASSIGN(PluginPlaceholder);
 };
 
 #endif  // CHROME_RENDERER_PLUGINS_PLUGIN_PLACEHOLDER_H_