Set toolbar padding to something appropriate for Metro icons.

chrome/chrome_resources.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': {
     'grit_out_dir': '<(SHARED_INTERMEDIATE_DIR)/chrome',
     'repack_locales_cmd': ['python', 'tools/build/repack_locales.py'],
   },
   'targets': [
     {
@@ skipping 175 matching lines @@
           'action_name': 'platform_locale_settings',
           'variables': {
             'grit_grd_file': '<(platform_locale_settings_grd)',
           },
           'includes': [ '../build/grit_action.gypi' ],
         },
       ],
       'includes': [ '../build/grit_target.gypi' ],
     },
     {
-      'target_name': 'theme_resources',
+      'target_name': 'theme_resources_gen',
       'type': 'none',
       'actions': [
         {
           'action_name': 'theme_resources',
           'variables': {
             'grit_grd_file': 'app/theme/theme_resources.grd',
           },
           'includes': [ '../build/grit_action.gypi' ],
         },
         {
@@ skipping 174 matching lines @@
                   'files': ['<@(default_apps_list)']
                 },
               ],
             }],
           ], # conditions
         }], # end OS != "mac"
       ], # conditions
     },
   ], # targets
 }