Modify extension request IPC messages to pass a ListValue instead of a string.

chrome/renderer/render_view.h

 // Copyright (c) 2009 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_RENDER_VIEW_H_
 #define CHROME_RENDERER_RENDER_VIEW_H_
 
 #include <set>
 #include <string>
 #include <queue>
@@ skipping 396 matching lines @@
     return delay_seconds_for_form_state_sync_;
   }
   void set_delay_seconds_for_form_state_sync(int delay_in_seconds) {
     delay_seconds_for_form_state_sync_ = delay_in_seconds;
   }
 
   AudioMessageFilter* audio_message_filter() { return audio_message_filter_; }
 
   void OnClearFocusedNode();
 
-  void SendExtensionRequest(const std::string& name, const std::string& args,
+  void SendExtensionRequest(const std::string& name, const ListValue& args,
                             int request_id, bool has_callback);
   void OnExtensionResponse(int request_id, bool success,
                            const std::string& response,
                            const std::string& error);
 
   void OnSetExtensionViewMode(const std::string& mode);
 
   const WebPreferences& webkit_preferences() const {
     return webkit_preferences_;
   }
@@ skipping 550 matching lines @@
 
   // ImageResourceFetchers schedule via DownloadImage.
   typedef std::set<webkit_glue::ImageResourceFetcher*> ImageResourceFetcherSet;
   ImageResourceFetcherSet image_fetchers_;
 
 
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H_