Add "Open with <ARC-app-name>" items to the context menu

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 1480 matching lines @@
       'browser/media_galleries/win/mtp_device_object_enumerator_unittest.cc',
       'browser/memory/tab_manager_delegate_chromeos_unittest.cc',
       'browser/memory/tab_manager_unittest.cc',
       'browser/memory/tab_manager_web_contents_data_unittest.cc',
       'browser/net/firefox_proxy_settings_unittest.cc',
       'browser/platform_util_unittest.cc',
       'browser/power/process_power_collector_unittest.cc',
       'browser/process_singleton_posix_unittest.cc',
       'browser/profile_resetter/profile_resetter_unittest.cc',
       'browser/profile_resetter/triggered_profile_resetter_win_unittest.cc',
+      'browser/renderer_context_menu/arc_app_menu_observer_chromeos_unittest.cc',
       'browser/renderer_context_menu/render_view_context_menu_unittest.cc',
       'browser/search/instant_service_unittest.cc',
       'browser/search/instant_unittest_base.cc',
       'browser/search/instant_unittest_base.h',
       'browser/search/search_unittest.cc',
       # GCMDriverAndroid is not yet implemented.
       'browser/services/gcm/gcm_profile_service_unittest.cc',
       'browser/sessions/persistent_tab_restore_service_unittest.cc',
       'browser/sync/sessions/sessions_sync_manager_unittest.cc',
       'browser/sync/sync_ui_util_unittest.cc',  # Sync setup uses native ui.
@@ skipping 1522 matching lines @@
               'dependencies': [
                 '../tools/xdisplaycheck/xdisplaycheck.gyp:xdisplaycheck',
               ],
             }],
           ],
         },
       ],
     }],
   ],  # 'conditions'
 }