Activate the VariationsService for ChromeOS and ensure that it does not ping the server until the E…

chrome/common/chrome_notification_types.h

 // 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.
 
 #ifndef CHROME_COMMON_CHROME_NOTIFICATION_TYPES_H_
 #define CHROME_COMMON_CHROME_NOTIFICATION_TYPES_H_
 
 #include "build/build_config.h"
 #include "content/public/browser/notification_types.h"
 
@@ skipping 1004 matching lines @@
 
   // Sent when a network error message is displayed on the WebUI login screen.
   // First paint event of this fires NOTIFICATION_LOGIN_WEBUI_VISIBLE.
   NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN,
 
   // Sent when the first OOBE screen has been displayed. Note that the screen
   // may not be fully rendered at this point.
   // First paint event after this fires NOTIFICATION_LOGIN_WEBUI_VISIBLE.
   NOTIFICATION_WIZARD_FIRST_SCREEN_SHOWN,
 
+  // Sent when the EULA has been accepted in the first-run wizard.
+  NOTIFICATION_WIZARD_EULA_ACCEPTED,
+
   // Sent when the specific part of login WebUI is considered to be visible.
   // That moment is tracked as the first paint event after one of the:
   // 1. NOTIFICATION_LOGIN_USER_IMAGES_LOADED
   // 2. NOTIFICATION_LOGIN_WEBUI_LOADED
   // 3. NOTIFICATION_LOGIN_NETWORK_ERROR_SHOWN
   // 4. NOTIFICATION_WIZARD_FIRST_SCREEN_SHOWN
   // 5. NOTIFICATION_DEMO_WEBUI_LOADED
   //
   // Possible series of notifications:
   // 1. Boot into fresh OOBE
@@ skipping 220 matching lines @@
   // Currently only Content and Chrome define and use notifications.
   // Custom notifications not belonging to Content and Chrome should start
   // from here.
   NOTIFICATION_CHROME_END,
 };
 
 }  // namespace chrome
 
 
 #endif  // CHROME_COMMON_CHROME_NOTIFICATION_TYPES_H_