Add output_all_resource_defines=false to theme_resources.grd.

apps/apps.gypi

 # 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.
 
 {
   'targets': [
     {
       # GN version: //apps
       'target_name': 'apps',
       'type': 'static_library',
@@ skipping 60 matching lines @@
             'sources/': [
               ['exclude', '.*'],
             ],
           }
         ],
         ['toolkit_views==1', {
           'dependencies': [
             '../ui/strings/ui_strings.gyp:ui_strings',
             '../ui/views/views.gyp:views',
           ],
-        }, {  # toolkit_views==0
+        }],
+        ['toolkit_views==0 or OS == "mac"', {
           'sources/': [
             ['exclude', 'ui/views/'],
           ],
         }],
         ['toolkit_views==1 and enable_extensions==1', {
           'dependencies': [
             '../extensions/extensions.gyp:extensions_browser',
           ],
         }],
       ],
       # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
       'msvs_disabled_warnings': [ 4267, ],
     },
   ],  # targets
 }