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

chrome/chrome_browser.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': {
     # All .cc, .h, .m, and .mm files under browser except for:
     # * tests and mocks.
     # * code below browser/chromeos
     # * code below browser/extensions
@@ skipping 1331 matching lines @@
       'browser/profile_resetter/triggered_profile_resetter.h',
       'browser/profile_resetter/triggered_profile_resetter_factory.cc',
       'browser/profile_resetter/triggered_profile_resetter_factory.h',
       'browser/profile_resetter/triggered_profile_resetter_win.cc',
       'browser/profiles/avatar_menu.cc',
       'browser/profiles/avatar_menu.h',
       'browser/profiles/profile_shortcut_manager.cc',
       'browser/profiles/profile_shortcut_manager.h',
       'browser/profiles/profile_window.cc',
       'browser/profiles/profile_window.h',
+      'browser/renderer_context_menu/arc_app_menu_observer_chromeos.cc',
+      'browser/renderer_context_menu/arc_app_menu_observer_chromeos.h',
       'browser/renderer_context_menu/render_view_context_menu.cc',
       'browser/renderer_context_menu/render_view_context_menu.h',
       'browser/renderer_context_menu/spelling_bubble_model.cc',
       'browser/renderer_context_menu/spelling_bubble_model.h',
       'browser/renderer_context_menu/spelling_menu_observer.cc',
       'browser/renderer_context_menu/spelling_menu_observer.h',
       'browser/repost_form_warning_controller.cc',
       'browser/repost_form_warning_controller.h',
       'browser/search/local_ntp_source.cc',
       'browser/search/local_ntp_source.h',
@@ skipping 2882 matching lines @@
             '../components/components.gyp:rlz',
             '../components/components.gyp:search_engines',
             '../rlz/rlz.gyp:rlz_lib',
             'common',
           ],
         },
       ],
     }],
   ],
 }