Add more per-tab preferences.

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',
       'common/pref_names.cc',
@@ skipping 2652 matching lines @@
         'browser/ui/cocoa/view_id_util_browsertest.mm',
         'browser/ui/cocoa/applescript/browsercrapplication+applescript_test.mm',
         'browser/ui/cocoa/applescript/window_applescript_test.mm',
         'browser/ui/find_bar/find_bar_host_browsertest.cc',
         'browser/ui/global_error_service_browsertest.cc',
         'browser/ui/gtk/view_id_util_browsertest.cc',
         'browser/ui/intents/web_intent_picker_controller_browsertest.cc',
         'browser/ui/login/login_prompt_browsertest.cc',
         'browser/ui/panels/panel_app_browsertest.cc',
         'browser/ui/panels/panel_browser_view_browsertest.cc',
+        'browser/ui/prefs/prefs_tab_helper_browsertest.cc',
         'browser/ui/views/browser_actions_container_browsertest.cc',
         'browser/ui/views/dom_view_browsertest.cc',
         'browser/ui/views/html_dialog_view_browsertest.cc',
         'browser/ui/views/select_file_dialog_extension_browsertest.cc',
         'browser/ui/views/status_icons/status_tray_chromeos_browsertest.cc',
         'browser/ui/webui/chrome_url_data_manager_browsertest.cc',
         'browser/ui/webui/ntp/most_visited_browsertest.cc',
         'browser/ui/webui/test_chrome_web_ui_factory_browsertest.cc',
         'browser/ui/webui/bidi_checker_web_ui_test.cc',
         'browser/ui/webui/bidi_checker_web_ui_test.h',
@@ skipping 1669 matching lines @@
               # Use outputs of this action as inputs for the main target build.
               # Seems as a misnomer but makes this happy on Linux (scons).
               'process_outputs_as_sources': 1,
             },
           ],  # 'actions'
         },
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }