X-Chrome-Variations logic refactoring

chrome/chrome_browser.gypi

 # Copyright 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',
       'variables': { 'enable_wexit_time_destructors': 1, },
@@ skipping 413 matching lines @@
         'browser/chrome_browser_main_mac.h',
         'browser/chrome_browser_main_mac.mm',
         'browser/chrome_browser_main_posix.cc',
         'browser/chrome_browser_main_posix.h',
         'browser/chrome_browser_main_win.cc',
         'browser/chrome_browser_main_win.h',
         'browser/chrome_browser_main_x11.cc',
         'browser/chrome_browser_main_x11.h',
         'browser/chrome_content_browser_client.cc',
         'browser/chrome_content_browser_client.h',
+        'browser/chrome_metrics_helper.cc',
+        'browser/chrome_metrics_helper.h',
         'browser/chrome_page_zoom.cc',
         'browser/chrome_page_zoom.h',
         'browser/chrome_page_zoom_constants.cc',
         'browser/chrome_page_zoom_constants.h',
         'browser/chrome_plugin_service_filter.cc',
         'browser/chrome_plugin_service_filter.h',
         'browser/chrome_quota_permission_context.cc',
         'browser/chrome_quota_permission_context.h',
         'browser/chrome_to_mobile_service.cc',
         'browser/chrome_to_mobile_service.h',
@@ skipping 2714 matching lines @@
             'proto_in_dir': '../third_party/cros_system_api/dbus',
             'proto_out_dir': 'chrome/browser/media_transfer_protocol',
           },
           'includes': ['../build/protoc.gypi'],
         },
       ],
      },
     ],
   ],
 }