[Sync] Rip out overly-complicated ExtensionData class

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 1318 matching lines @@
         'browser/extensions/convert_user_script_unittest.cc',
         'browser/extensions/convert_web_app_unittest.cc',
         'browser/extensions/extension_event_router_forwarder_unittest.cc',
         'browser/extensions/extension_icon_manager_unittest.cc',
         'browser/extensions/extension_info_map_unittest.cc',
         'browser/extensions/extension_menu_manager_unittest.cc',
         'browser/extensions/extension_pref_value_map_unittest.cc',
         'browser/extensions/extension_prefs_unittest.cc',
         'browser/extensions/extension_process_manager_unittest.cc',
         'browser/extensions/extension_proxy_api_helpers_unittest.cc',
+        'browser/extensions/extension_sync_data_unittest.cc',
         'browser/extensions/extension_omnibox_unittest.cc',
         'browser/extensions/extension_service_unittest.cc',
         'browser/extensions/extension_service_unittest.h',
         'browser/extensions/extension_special_storage_policy_unittest.cc',
         'browser/extensions/extension_ui_unittest.cc',
         'browser/extensions/extension_updater_unittest.cc',
         'browser/extensions/extension_webnavigation_unittest.cc',
         'browser/extensions/extensions_quota_service_unittest.cc',
         'browser/extensions/external_policy_extension_loader_unittest.cc',
         'browser/extensions/file_reader_unittest.cc',
@@ skipping 191 matching lines @@
         'browser/sync/glue/bookmark_data_type_controller_unittest.cc',
         'browser/sync/glue/change_processor_mock.cc',
         'browser/sync/glue/change_processor_mock.h',
         'browser/sync/glue/data_type_controller_mock.cc',
         'browser/sync/glue/data_type_controller_mock.h',
         'browser/sync/glue/data_type_manager_impl_unittest.cc',
         'browser/sync/glue/data_type_manager_impl2_unittest.cc',
         'browser/sync/glue/data_type_manager_mock.cc',
         'browser/sync/glue/data_type_manager_mock.h',
         'browser/sync/glue/database_model_worker_unittest.cc',
-        'browser/sync/glue/extension_data_unittest.cc',
         'browser/sync/glue/extension_data_type_controller_unittest.cc',
         'browser/sync/glue/extension_util_unittest.cc',
         'browser/sync/glue/frontend_data_type_controller_mock.cc',
         'browser/sync/glue/frontend_data_type_controller_mock.h',
         'browser/sync/glue/frontend_data_type_controller_unittest.cc',
         'browser/sync/glue/http_bridge_unittest.cc',
         'browser/sync/glue/model_associator_mock.cc',
         'browser/sync/glue/model_associator_mock.h',
         'browser/sync/glue/non_frontend_data_type_controller_mock.cc',
         'browser/sync/glue/non_frontend_data_type_controller_mock.h',
@@ skipping 2346 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
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