Refactor ShellDesktopController and ShellNativeAppWindow to allow for non-aura implementations.

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 1018 matching lines @@
       'sources': [
         # Note: sources list duplicated in GN build.
         'browser/api/dns/mock_host_resolver_creator.cc',
         'browser/api/dns/mock_host_resolver_creator.h',
         'browser/api/storage/settings_test_util.cc',
         'browser/api/storage/settings_test_util.h',
         'browser/api_test_utils.cc',
         'browser/api_test_utils.h',
         'browser/api_unittest.cc',
         'browser/api_unittest.h',
+        'browser/app_window/test_app_window_contents.cc',
+        'browser/app_window/test_app_window_contents.h',
         'browser/extension_error_test_util.cc',
         'browser/extension_error_test_util.h',
         'browser/extensions_test.cc',
         'browser/extensions_test.h',
         'browser/guest_view/test_guest_view_manager.cc',
         'browser/guest_view/test_guest_view_manager.h',
         'browser/mock_extension_system.cc',
         'browser/mock_extension_system.h',
         'browser/test_extension_registry_observer.cc',
         'browser/test_extension_registry_observer.h',
@@ skipping 208 matching lines @@
       'conditions': [
         ['OS=="win" and win_use_allocator_shim==1', {
           'dependencies': [
             '../base/allocator/allocator.gyp:allocator',
           ],
         }],
       ],
     },
   ]
 }