Remove uses of PropVariantTo*; removing the need to DelayLoad propsys.dll.

base/base.gyp

 # Copyright (c) 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': {
     'chromium_code': 1,
   },
   'includes': [
     '../build/win_precompile.gypi',
@@ skipping 766 matching lines @@
           'sources!': [
             'test/scoped_locale.cc',
             'test/scoped_locale.h',
           ],
         }],
         ['os_bsd==1', {
           'sources!': [
             'test/test_file_util_linux.cc',
           ],
         }],
-        ['OS=="win"', {
-          'direct_dependent_settings': {
-            'msvs_settings': {
-              'VCLinkerTool': {
-                'DelayLoadDLLs': [
-                  'propsys.dll',
-                ],
-              },
-            },
-          },
-        }],
       ],
       'sources': [
         'perftimer.cc',
         'test/main_hook.cc',
         'test/main_hook.h',
         'test/main_hook_ios.mm',
         'test/mock_chrome_application_mac.h',
         'test/mock_chrome_application_mac.mm',
         'test/mock_devices_changed_observer.cc',
         'test/mock_devices_changed_observer.h',
@@ skipping 330 matching lines @@
             'base_unittests.isolate',
           ],
           'sources': [
             'base_unittests.isolate',
           ],
         },
       ],
     }],
   ],
 }