Remove sandbox on Windows.

ui/views/examples/examples.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': {
     'chromium_code': 1,
   },
   'targets': [
     {
       # GN version: //ui/views/examples
@@ skipping 174 matching lines @@
           'msvs_settings': {
             'VCManifestTool': {
               'AdditionalManifestFiles': [
                 'views_examples.exe.manifest',
               ],
             },
             'VCLinkerTool': {
               'SubSystem': '2',  # Set /SUBSYSTEM:WINDOWS
             },
           },
-          'dependencies': [
-            '../../../sandbox/sandbox.gyp:sandbox',
-            '../../../content/content.gyp:sandbox_helper_win',
-          ],
         }],
       ],
     },  # target_name: views_examples_with_content_exe
   ],
 }