Move system.display tests to extensions/

extensions/shell/app_shell.gyp

 # Copyright 2014 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': {
     # Product name is used for Mac bundle.
     'app_shell_product_name': 'App Shell',
     # The version is high enough to be supported by Omaha (at least 31)
     # but fake enough to be obviously not a Chrome release.
@@ skipping 293 matching lines @@
         # TODO(yoz): Refactor once we have a second test target.
         # TODO(yoz): Something is off here; should this .gyp file be
         # in the parent directory? Test target extensions_browsertests?
         '../browser/api/audio/audio_apitest.cc',
         '../browser/api/dns/dns_apitest.cc',
         '../browser/api/hid/hid_apitest.cc',
         '../browser/api/socket/socket_apitest.cc',
         '../browser/api/sockets_tcp/sockets_tcp_apitest.cc',
         '../browser/api/sockets_udp/sockets_udp_apitest.cc',
         '../browser/api/system_cpu/system_cpu_apitest.cc',
+        '../browser/api/system_display/system_display_apitest.cc',
         '../browser/api/system_memory/system_memory_apitest.cc',
         '../browser/api/system_network/system_network_apitest.cc',
         '../browser/api/system_storage/storage_api_test_util.cc',
         '../browser/api/system_storage/storage_api_test_util.h',
         '../browser/api/system_storage/system_storage_apitest.cc',
         '../browser/api/system_storage/system_storage_eject_apitest.cc',
         '../browser/api/usb/usb_apitest.cc',
         '../browser/guest_view/app_view/app_view_apitest.cc',
         '../browser/guest_view/web_view/web_view_apitest.h',
         '../browser/guest_view/web_view/web_view_apitest.cc',
@@ skipping 245 matching lines @@
               'action': [
                 '../../build/mac/verify_no_objc.sh',
               ],
             },
           ],
         },  # target app_shell_helper
       ],
     }],  # OS=="mac"
   ],
 }