[Mac] Create CrTrackingArea and use it in TabStripController.

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 1669 matching lines @@
         'browser/ui/cocoa/tab_view_picker_table_unittest.mm',
         'browser/ui/cocoa/table_model_array_controller_unittest.mm',
         'browser/ui/cocoa/table_row_nsimage_cache_unittest.mm',
         'browser/ui/cocoa/tabpose_window_unittest.mm',
         'browser/ui/cocoa/task_manager_mac_unittest.mm',
         'browser/ui/cocoa/test_event_utils.h',
         'browser/ui/cocoa/test_event_utils.mm',
         'browser/ui/cocoa/toolbar/reload_button_unittest.mm',
         'browser/ui/cocoa/toolbar/toolbar_controller_unittest.mm',
         'browser/ui/cocoa/toolbar/toolbar_view_unittest.mm',
+        'browser/ui/cocoa/tracking_area_unittest.mm',
         'browser/ui/cocoa/translate/translate_infobar_unittest.mm',
         'browser/ui/cocoa/vertical_gradient_view_unittest.mm',
         'browser/ui/cocoa/view_resizer_pong.h',
         'browser/ui/cocoa/view_resizer_pong.mm',
         'browser/ui/cocoa/window_size_autosaver_unittest.mm',
         'browser/ui/cocoa/wrench_menu/menu_tracked_button_unittest.mm',
         'browser/ui/cocoa/wrench_menu/menu_tracked_root_view_unittest.mm',
         'browser/ui/cocoa/wrench_menu/wrench_menu_button_cell_unittest.mm',
         'browser/ui/cocoa/wrench_menu/wrench_menu_controller_unittest.mm',
         'browser/ui/find_bar/find_backend_unittest.cc',
@@ skipping 2061 matching lines @@
       ]
     }],  # 'coverage!=0'
   ],  # 'conditions'
 }
 
 # Local Variables:
 # tab-width:2
 # indent-tabs-mode:nil
 # End:
 # vim: set expandtab tabstop=2 shiftwidth=2: