Add user_prefs::TestPrefServiceSyncable

components/components_tests.gyp

 # Copyright 2014 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': {
     # This turns on e.g. the filename-based detection of which
     # platforms to include source files on (e.g. files ending in
     # _mac.h or _mac.cc are only compiled on MacOSX).
     'chromium_code': 1,
@@ skipping 292 matching lines @@
             'components.gyp:os_crypt',
 
             # Dependencies of password_manager
             'components.gyp:password_manager_core_browser',
             'components.gyp:password_manager_core_browser_test_support',
 
             # Dependencies of precache/core
             'components.gyp:password_manager_core_browser',
             'components.gyp:precache_core',
 
+            # Dependencies of pref_registry
+            'components.gyp:pref_registry_test_support',
+
             # Dependencies of query_parser
             'components.gyp:query_parser',
 
             # Dependencies of rappor
             'components.gyp:rappor',
 
             # Dependencies of search_provider_logos
             'components.gyp:search_provider_logos',
 
             # Dependencies of signin
@@ skipping 477 matching lines @@
               'dependencies': [
                 '../base/allocator/allocator.gyp:allocator',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }