Clean up pref change notification handling.

chrome/chrome_tests.gypi

 # Copyright (c) 2010 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 47 matching lines @@
         'browser/mock_browsing_data_indexed_db_helper.cc',
         'browser/mock_browsing_data_indexed_db_helper.h',
         'browser/mock_browsing_data_local_storage_helper.cc',
         'browser/mock_browsing_data_local_storage_helper.h',
         # TODO:  these should live here but are currently used by
         # production code code in libbrowser (in chrome.gyp).
         #'browser/net/url_request_mock_http_job.cc',
         #'browser/net/url_request_mock_http_job.h',
         'browser/net/url_request_mock_net_error_job.cc',
         'browser/net/url_request_mock_net_error_job.h',
-        'browser/prefs/dummy_pref_store.cc',
-        'browser/prefs/dummy_pref_store.h',
-        'browser/prefs/pref_value_store.cc',
-        'browser/prefs/pref_value_store.h',
+        'browser/prefs/testing_pref_store.cc',
+        'browser/prefs/testing_pref_store.h',
         'browser/renderer_host/mock_render_process_host.cc',
         'browser/renderer_host/mock_render_process_host.h',
         'browser/renderer_host/test/test_backing_store.cc',
         'browser/renderer_host/test/test_backing_store.h',
         'browser/renderer_host/test/test_render_view_host.cc',
         'browser/renderer_host/test/test_render_view_host.h',
         'browser/tab_contents/test_tab_contents.cc',
         'browser/tab_contents/test_tab_contents.h',
         'common/notification_observer_mock.h',
         'common/ipc_test_sink.cc',
         'common/ipc_test_sink.h',
+        'common/notification_observer_mock.h',
+        'common/pref_store_observer_mock.h',
         'renderer/mock_keyboard.cc',
         'renderer/mock_keyboard.h',
         'renderer/mock_keyboard_driver_win.cc',
         'renderer/mock_keyboard_driver_win.h',
         'renderer/mock_printer.cc',
         'renderer/mock_printer.h',
         'renderer/mock_render_process.cc',
         'renderer/mock_render_process.h',
         'renderer/mock_render_thread.cc',
         'renderer/mock_render_thread.h',
@@ skipping 3335 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
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