Start and stop the GCM service on demand

chrome/chrome_tests_unit.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': [
     {
       # This target contains mocks and test utilities that don't belong in
       # production libraries but are used by more than one test executable.
       'target_name': 'test_support_common',
       'type': 'static_library',
@@ skipping 1246 matching lines @@
         'browser/search_engines/search_host_to_urls_map_unittest.cc',
         'browser/search_engines/search_provider_install_data_unittest.cc',
         'browser/search_engines/template_url_fetcher_unittest.cc',
         'browser/search_engines/template_url_service_util_unittest.cc',
         'browser/search_engines/template_url_service_sync_unittest.cc',
         'browser/search_engines/template_url_service_unittest.cc',
         'browser/search_engines/template_url_parser_unittest.cc',
         'browser/search_engines/template_url_prepopulate_data_unittest.cc',
         'browser/search_engines/template_url_scraper_unittest.cc',
         'browser/search_engines/template_url_unittest.cc',
+        'browser/services/gcm/fake_gcm_app_handler.cc',
+        'browser/services/gcm/fake_gcm_app_handler.h',
         'browser/services/gcm/fake_gcm_client_factory.cc',
         'browser/services/gcm/fake_gcm_client_factory.h',
         'browser/services/gcm/fake_signin_manager.cc',
         'browser/services/gcm/fake_signin_manager.h',
         'browser/services/gcm/fake_gcm_client.cc',
         'browser/services/gcm/fake_gcm_client.h',
         'browser/services/gcm/gcm_driver_unittest.cc',
         'browser/services/gcm/gcm_profile_service_unittest.cc',
         'browser/sessions/persistent_tab_restore_service_unittest.cc',
         'browser/sessions/restore_on_startup_policy_handler_unittest.cc',
@@ skipping 1540 matching lines @@
             'unit_tests.isolate',
           ],
           'sources': [
             'unit_tests.isolate',
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }