Mac: Optimize TabView drawing.

ui/base/ui_base_tests.gyp

 # Copyright 2013 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': {
     'chromium_code': 1,
   },
   'targets': [
     {
@@ skipping 45 matching lines @@
         'cocoa/controls/blue_label_button_unittest.mm',
         'cocoa/controls/hover_image_menu_button_unittest.mm',
         'cocoa/controls/hyperlink_button_cell_unittest.mm',
         'cocoa/controls/hyperlink_text_view_unittest.mm',
         'cocoa/focus_tracker_unittest.mm',
         'cocoa/fullscreen_window_manager_unittest.mm',
         'cocoa/hover_image_button_unittest.mm',
         'cocoa/menu_controller_unittest.mm',
         'cocoa/nsgraphics_context_additions_unittest.mm',
         'cocoa/nsview_additions_unittest.mm',
+        'cocoa/three_part_image_unittest.mm',
         'cocoa/tracking_area_unittest.mm',
         'dragdrop/os_exchange_data_provider_aurax11_unittest.cc',
         'ime/candidate_window_unittest.cc',
         'ime/chromeos/character_composer_unittest.cc',
         'ime/composition_text_util_pango_unittest.cc',
         'ime/input_method_base_unittest.cc',
         'ime/input_method_chromeos_unittest.cc',
         'ime/remote_input_method_win_unittest.cc',
         'ime/win/imm32_manager_unittest.cc',
         'ime/win/tsf_input_scope_unittest.cc',
@@ skipping 219 matching lines @@
               'dependencies': [
                 '../../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }