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

chrome/browser/extensions/extension_dom_ui.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/browser/extensions/extension_dom_ui.h"
 
 #include "chrome/browser/browser.h"
 #include "chrome/browser/browser_list.h"
 #include "chrome/browser/profile.h"
 #include "chrome/browser/tab_contents/tab_contents.h"
@@ skipping 36 matching lines @@
 
 void ExtensionDOMUI::RenderViewCreated(RenderViewHost* render_view_host) {
   ResetExtensionFunctionDispatcher(render_view_host);
 }
 
 void ExtensionDOMUI::RenderViewReused(RenderViewHost* render_view_host) {
   ResetExtensionFunctionDispatcher(render_view_host);
 }
 
 void ExtensionDOMUI::ProcessDOMUIMessage(const std::string& message,
-                                         const std::string& content,
+                                         const Value* content,
                                          int request_id,
                                          bool has_callback) {
   extension_function_dispatcher_->HandleRequest(message, content, request_id,
                                                 has_callback);
 }
 
 Browser* ExtensionDOMUI::GetBrowser() {
   return static_cast<Browser*>(tab_contents()->delegate());
 }
 
@@ skipping 174 matching lines @@
     if (!all_overrides->GetList(*iter, &page_overrides)) {
       // If it's being unregistered, it should already be in the list.
       NOTREACHED();
       continue;
     } else {
       UnregisterAndReplaceOverride(WideToUTF8(*iter), profile, page_overrides,
                                    val);
     }
   }
 }