[Media Router] Add experiment control logic.

chrome/browser/ui/webui/chrome_web_ui_controller_factory.cc

 // 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.
 
 #include "chrome/browser/ui/webui/chrome_web_ui_controller_factory.h"
 
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
@@ skipping 75 matching lines @@
 
 #if defined(ENABLE_WEBRTC)
 #include "chrome/browser/ui/webui/media/webrtc_logs_ui.h"
 #endif
 
 #if defined(ENABLE_PRINT_PREVIEW)
 #include "chrome/browser/ui/webui/print_preview/print_preview_ui.h"
 #endif
 
 #if defined(ENABLE_MEDIA_ROUTER) && !defined(OS_ANDROID)
+#include "chrome/browser/media/router/media_router_feature.h"
 #include "chrome/browser/ui/webui/media_router/media_router_ui.h"
 #endif
 
 #if !defined(OS_ANDROID)
 #include "chrome/browser/ui/webui/ntp/new_tab_ui.h"
 #include "chrome/browser/ui/webui/quota_internals/quota_internals_ui.h"
 #include "chrome/browser/ui/webui/sync_file_system_internals/sync_file_system_internals_ui.h"
 #include "chrome/browser/ui/webui/system_info_ui.h"
 #include "chrome/browser/ui/webui/uber/uber_ui.h"
 #endif
@@ skipping 470 matching lines @@
   if (url.host() == chrome::kChromeUIDevicesHost) {
     return &NewWebUI<LocalDiscoveryUI>;
   }
 #endif
 #if defined(ENABLE_WEBRTC)
   if (url.host() == chrome::kChromeUIWebRtcLogsHost)
     return &NewWebUI<WebRtcLogsUI>;
 #endif
 #if defined(ENABLE_MEDIA_ROUTER) && !defined(OS_ANDROID)
   if (url.host() == chrome::kChromeUIMediaRouterHost &&
-      switches::MediaRouterEnabled()) {
+      media_router::MediaRouterEnabled()) {
     return &NewWebUI<media_router::MediaRouterUI>;
   }
 #endif
   if (IsAboutUI(url))
     return &NewWebUI<AboutUI>;
 
   if (dom_distiller::IsEnableDomDistillerSet() &&
       url.host() == dom_distiller::kChromeUIDomDistillerHost) {
     return &NewWebUI<dom_distiller::DomDistillerUi>;
   }
@@ skipping 192 matching lines @@
 #endif
 
   // Android doesn't use the plugins pages.
   if (page_url.host() == chrome::kChromeUIPluginsHost)
     return PluginsUI::GetFaviconResourceBytes(scale_factor);
 
 #endif
 
   return NULL;
 }