Introduce chrome.shell.createWindow stub API for app_shell

extensions/extensions.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 495 matching lines @@
         'browser/test_extensions_browser_client.cc',
         'browser/test_extensions_browser_client.h',
         'browser/test_management_policy.cc',
         'browser/test_management_policy.h',
         'common/extension_builder.cc',
         'common/extension_builder.h',
         'common/test_util.cc',
         'common/test_util.h',
         'common/value_builder.cc',
         'common/value_builder.h',
+        'renderer/test_extensions_renderer_client.cc',
+        'renderer/test_extensions_renderer_client.h',
       ],
       # Disable c4267 warnings until we fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
     {
       # TODO(tfarina): Our plan is to build and run this target on Chromium bots
       # (TS, CQ, Waterfall). First we will get this target passing all tests,
       # after that we will start the work on buildbot to get this running there.
       # When we consider this stable in the bots, we can go to unit_tests target
       # and remove the duplicated entries from there, otherwise if we just
@@ skipping 22 matching lines @@
         'test/test_extensions_client.cc',
         'test/test_extensions_client.h',
         'test/test_permission_message_provider.cc',
         'test/test_permission_message_provider.h',
         'test/test_permissions_provider.cc',
         'test/test_permissions_provider.h',
       ],
     },
   ]
 }