Extract ChromeBrowserFieldTrials out of ChromeBrowserMainParts.

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 326 matching lines @@
         'browser/bookmarks/recently_used_folders_combo_model.cc',
         'browser/bookmarks/recently_used_folders_combo_model.h',
         'browser/browser_about_handler.cc',
         'browser/browser_about_handler.h',
         'browser/browser_process.cc',
         'browser/browser_process.h',
         'browser/browser_process_impl.cc',
         'browser/browser_process_impl.h',
         'browser/browser_shutdown.cc',
         'browser/browser_shutdown.h',
-        'browser/browser_trial.cc',
-        'browser/browser_trial.h',
         'browser/browser_util_win.cc',
         'browser/browser_util_win.h',
         'browser/browsing_data/browsing_data_appcache_helper.cc',
         'browser/browsing_data/browsing_data_appcache_helper.h',
         'browser/browsing_data/browsing_data_database_helper.cc',
         'browser/browsing_data/browsing_data_database_helper.h',
         'browser/browsing_data/browsing_data_file_system_helper.cc',
         'browser/browsing_data/browsing_data_file_system_helper.h',
         'browser/browsing_data/browsing_data_helper.cc',
         'browser/browsing_data/browsing_data_helper.h',
@@ skipping 32 matching lines @@
         'browser/certificate_manager_model.cc',
         'browser/certificate_manager_model.h',
         'browser/certificate_viewer.cc',
         'browser/certificate_viewer.h',
         'browser/character_encoding.cc',
         'browser/character_encoding.h',
         'browser/chrome_benchmarking_message_filter.cc',
         'browser/chrome_benchmarking_message_filter.h',
         'browser/chrome_browser_application_mac.h',
         'browser/chrome_browser_application_mac.mm',
+        'browser/chrome_browser_field_trials.cc',
+        'browser/chrome_browser_field_trials.h',
         'browser/chrome_browser_main.cc',
         'browser/chrome_browser_main.h',
         'browser/chrome_browser_main_extra_parts.h',
         'browser/chrome_browser_main_linux.cc',
         'browser/chrome_browser_main_linux.h',
         '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',
@@ skipping 5073 matching lines @@
           'variables': {
             'jni_gen_dir': 'chrome',
           },
           'includes': [ '../build/jni_generator.gypi' ],
         },
       ],
      },
     ],
   ],
 }