Sync: Add a SyncTypePreferenceProvider interface.

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.
 
 {
   'variables': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 1336 matching lines @@
       'browser/sync/glue/ui_model_worker.h',
       'browser/sync/profile_sync_auth_provider.cc',
       'browser/sync/profile_sync_auth_provider.h',
       'browser/sync/profile_sync_components_factory.h',
       'browser/sync/profile_sync_components_factory_impl.cc',
       'browser/sync/profile_sync_components_factory_impl.h',
       'browser/sync/profile_sync_service.cc',
       'browser/sync/profile_sync_service.h',
       'browser/sync/profile_sync_service_android.cc',
       'browser/sync/profile_sync_service_android.h',
+      'browser/sync/profile_sync_service_data_type_provider.h',
       'browser/sync/profile_sync_service_factory.cc',
       'browser/sync/profile_sync_service_factory.h',
       'browser/sync/profile_sync_service_model_type_selection_android.h',
       'browser/sync/profile_sync_service_observer.cc',
       'browser/sync/profile_sync_service_observer.h',
       'browser/sync/protocol_event_observer.cc',
       'browser/sync/protocol_event_observer.h',
       'browser/sync/sessions/notification_service_sessions_router.cc',
       'browser/sync/sessions/notification_service_sessions_router.h',
       'browser/sync/sessions/session_data_type_controller.cc',
@@ skipping 2250 matching lines @@
             'package_name': 'org/chromium/chrome/browser',
             'template_deps': ['browser/android/tab_load_status.h'],
           },
           'includes': [ '../build/android/java_cpp_template.gypi' ],
         },
       ],
      },
     ],
   ],
 }