Make intsafe.h workaround global

ui/views/views.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,
   },
   'target_defaults': {
     'conditions': [
       ['use_aura==1', {
@@ skipping 558 matching lines @@
             'libraries': [
               '-limm32.lib',
               '-loleacc.lib',
             ],
             'msvs_settings': {
               'VCLinkerTool': {
                 'DelayLoadDLLs': [
                   'user32.dll',
                 ],
               },
-              'VCCLCompilerTool': {
-                'ForcedIncludeFiles': [ 'build/intsafe_workaround.h' ],
-              },
             },
           },
           # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
           'msvs_disabled_warnings': [ 4267, ],
         }],
         ['OS!="win"', {
           'sources!': [
             'controls/menu/menu_wrapper.h',
             'controls/menu/menu_2.cc',
             'controls/menu/menu_2.h',
@@ skipping 508 matching lines @@
           'sources/': [
             # This is needed because the aura rule strips it from the default
             # sources list.
             ['include', '^../../content/app/startup_helper_win.cc'],
           ],
         }],
       ],
     },  # target_name: views_examples_with_content_exe
   ],
 }