Connecting webrtc-internals WebUI frontend with the backend

chrome/browser/ui/webui/media/webrtc_internals_ui.cc

 // Copyright (c) 2013 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/ui/webui/webrtc_internals_ui.h"
+#include "chrome/browser/ui/webui/media/webrtc_internals_ui.h"
 
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/ui/webui/chrome_url_data_manager.h"
 #include "chrome/browser/ui/webui/chrome_web_ui_data_source.h"
+#include "chrome/browser/ui/webui/media/webrtc_internals_message_handler.h"
 #include "chrome/common/url_constants.h"
 #include "content/public/browser/web_ui.h"
 #include "grit/browser_resources.h"
 
 using content::WebContents;
 
 namespace {
 
 ChromeWebUIDataSource* CreateWebRTCInternalsHTMLSource() {
   ChromeWebUIDataSource* source =
       new ChromeWebUIDataSource(chrome::kChromeUIWebRTCInternalsHost);
 
   source->set_json_path("strings.js");
   source->add_resource_path("webrtc_internals.js", IDR_WEBRTC_INTERNALS_JS);
   source->set_default_resource(IDR_WEBRTC_INTERNALS_HTML);
   return source;
 }
 
 }  // namespace
 
 ////////////////////////////////////////////////////////////////////////////////
 //
 // WebRTCInternalsUI
 //
 ////////////////////////////////////////////////////////////////////////////////
 
 WebRTCInternalsUI::WebRTCInternalsUI(content::WebUI* web_ui)
     : WebUIController(web_ui) {
+  web_ui->AddMessageHandler(new WebRTCInternalsMessageHandler());
+
   Profile* profile = Profile::FromWebUI(web_ui);
   ChromeURLDataManager::AddDataSourceImpl(profile,

[jam, 2013/01/22 17:39:30]

because of r177854, you'll need to change this line to
ChromeURLDataManager::AddWebUIDataSource(profile,                               
            CreateWebRTCInternalsHTMLSource());

                                           CreateWebRTCInternalsHTMLSource());
 }