Reflect the current state in Media Router Action icon.

chrome/chrome_tests_unit.gypi

 # Copyright 2012 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': {
     'chrome_unit_tests_sources': [
       # histograms.xml is analyzed by AboutFlagsHistogramTest, so this
       # dependency is needed to make commit bots run unit_tests on
       # histograms.xml changes.
       '../tools/metrics/histograms/histograms.xml',
@@ skipping 1552 matching lines @@
       'browser/ui/tab_contents/tab_contents_iterator_unittest.cc',
       'browser/ui/tabs/pinned_tab_codec_unittest.cc',
       'browser/ui/tabs/pinned_tab_service_unittest.cc',
       'browser/ui/tabs/pinned_tab_test_utils.cc',
       'browser/ui/tabs/tab_menu_model_unittest.cc',
       'browser/ui/tabs/tab_strip_model_unittest.cc',
       'browser/ui/tabs/test_tab_strip_model_delegate.cc',
       'browser/ui/tabs/test_tab_strip_model_delegate.h',
       'browser/ui/toolbar/back_forward_menu_model_unittest.cc',
       'browser/ui/toolbar/encoding_menu_controller_unittest.cc',
+      'browser/ui/toolbar/media_router_action_unittest.cc',
       'browser/ui/toolbar/recent_tabs_builder_test_helper.cc',
       'browser/ui/toolbar/recent_tabs_builder_test_helper.h',
       'browser/ui/toolbar/recent_tabs_sub_menu_model_unittest.cc',
       'browser/ui/toolbar/test_toolbar_actions_bar_bubble_delegate.cc',
       'browser/ui/toolbar/test_toolbar_actions_bar_bubble_delegate.h',
       'browser/ui/toolbar/test_toolbar_model.cc',
       'browser/ui/toolbar/test_toolbar_model.h',
       'browser/ui/toolbar/toolbar_actions_bar_unittest.cc',
       'browser/ui/toolbar/toolbar_actions_bar_unittest.h',
       'browser/ui/toolbar/toolbar_model_unittest.cc',
@@ skipping 1315 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }