[Media Router] Add cloud services preferences.

chrome/common/pref_names.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/common/pref_names.h"
 
 #include "base/macros.h"
 #include "build/build_config.h"
 #include "chrome/common/pref_font_webkit_names.h"
 
@@ skipping 2144 matching lines @@
 const char kAllowDinosaurEasterEgg[] =
     "allow_dinosaur_easter_egg";
 
 #if defined(OS_ANDROID)
 // Whether the update menu item was clicked. Used to facilitate logging whether
 // Chrome was updated after the menu item is clicked.
 const char kClickedUpdateMenuItem[] = "omaha.clicked_update_menu_item";
 #endif
 
 #if defined(ENABLE_MEDIA_ROUTER)
+// Whether or not the user has explicitly set the cloud services preference
+// through the first run flow.
+const char kMediaRouterCloudServicesPrefSet[] =
+    "media_router.cloudservices.prefset";
+// Whether or not the user has enabled cloud services with Media Router.
+const char kMediaRouterEnableCloudServices[] =
+    "media_router.cloudservices.enabled";
 // Whether or not the Media Router first run flow has been acknowledged by the
 // user.
 const char kMediaRouterFirstRunFlowAcknowledged[] =
     "media_router.firstrunflow.acknowledged";
 #endif
 
 }  // namespace prefs