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

chrome/renderer/render_view.cc

 // 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.
 
 #include "chrome/renderer/render_view.h"
 
 #include <algorithm>
 #include <string>
 #include <vector>
 
@@ skipping 3279 matching lines @@
 
   SetBackground(background);
 }
 
 void RenderView::OnSetActive(bool active) {
   if (webview())
     webview()->setIsActive(active);
 }
 
 void RenderView::SendExtensionRequest(const std::string& name,
-                                      const std::string& args,
+                                      const ListValue& args,
                                       int request_id,
                                       bool has_callback) {
   Send(new ViewHostMsg_ExtensionRequest(routing_id_, name, args, request_id,
                                         has_callback));
 }
 
 void RenderView::OnExtensionResponse(int request_id,
                                      bool success,
                                      const std::string& response,
                                      const std::string& error) {
@@ skipping 313 matching lines @@
       new PluginMsg_SignalModalDialogEvent(host_window_));
 
   message->EnableMessagePumping();  // Runs a nested message loop.
   bool rv = Send(message);
 
   PluginChannelHost::Broadcast(
       new PluginMsg_ResetModalDialogEvent(host_window_));
 
   return rv;
 }