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

chrome/chrome_browser.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'browser',
       'type': 'static_library',
@@ skipping 1541 matching lines @@
         'browser/renderer_host/plugin_info_message_filter.cc',
         'browser/renderer_host/plugin_info_message_filter.h',
         'browser/renderer_host/safe_browsing_resource_throttle.cc',
         'browser/renderer_host/safe_browsing_resource_throttle.h',
         'browser/renderer_host/web_cache_manager.cc',
         'browser/renderer_host/web_cache_manager.h',
         'browser/renderer_preferences_util.cc',
         'browser/renderer_preferences_util.h',
         'browser/repost_form_warning_controller.cc',
         'browser/repost_form_warning_controller.h',
+        'browser/resource_request_allowed_notifier.cc',
+        'browser/resource_request_allowed_notifier.h',
         'browser/resources_util.cc',
         'browser/resources_util.h',
         'browser/rlz/rlz.cc',
         'browser/rlz/rlz.h',
         'browser/safe_browsing/bloom_filter.cc',
         'browser/safe_browsing/bloom_filter.h',
         'browser/safe_browsing/browser_feature_extractor.cc',
         'browser/safe_browsing/browser_feature_extractor.h',
         'browser/safe_browsing/browser_features.cc',
         'browser/safe_browsing/browser_features.h',
@@ skipping 1201 matching lines @@
           'includes': [ '../build/jni_generator.gypi' ],
           'dependencies': [
             'android_jar_jni_headers',
           ],
         },
       ],
      },
     ],
   ],
 }