Turn password sync on by default.

chrome/chrome_tests.gypi

 # Copyright (c) 2011 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.
 
 {
   'variables' : {
     'pyautolib_sources': [
       'app/chrome_command_ids.h',
       'app/chrome_dll_resource.h',
       'common/automation_constants.h',
@@ skipping 1401 matching lines @@
         'browser/sync/profile_sync_service_session_unittest.cc',
         'browser/sync/profile_sync_service_startup_unittest.cc',
         'browser/sync/profile_sync_service_typed_url_unittest.cc',
         'browser/sync/profile_sync_service_unittest.cc',
         'browser/sync/profile_sync_test_util.h',
         'browser/sync/signin_manager_unittest.cc',
         'browser/sync/sync_setup_wizard_unittest.cc',
         'browser/sync/sync_ui_util_mac_unittest.mm',
         'browser/sync/sync_ui_util_unittest.cc',
         'browser/sync/test_profile_sync_service.h',
+        'browser/sync/test_profile_sync_service.cc',
         'browser/sync/util/cryptographer_unittest.cc',
         'browser/sync/util/nigori_unittest.cc',
         'browser/tab_contents/navigation_controller_unittest.cc',
         'browser/tab_contents/navigation_entry_unittest.cc',
         'browser/tab_contents/render_view_host_manager_unittest.cc',
         'browser/tab_contents/tab_specific_content_settings_unittest.cc',
         'browser/tab_contents/thumbnail_generator_unittest.cc',
         'browser/tab_contents/web_contents_unittest.cc',
         'browser/tabs/pinned_tab_codec_unittest.cc',
         'browser/tabs/tab_strip_model_unittest.cc',
@@ skipping 2206 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
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