Remove intsafe_workaround.h

sdch/sdch.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,
   },
   'targets': [
     {
@@ skipping 65 matching lines @@
           # path.
           ['"<(GENERATOR)"=="ninja"', { 'logging_dir': '../..' },
                                       { 'logging_dir': '.' }
           ],
         ],
       },
       # GCC_PREFIX_HEADER is relative to the current directory,
       # ForcedIncludeFiles is relative to include_dirs, cflags relative to the
       # build directory.
       'xcode_settings': { 'GCC_PREFIX_HEADER': '<(logging_path)' },
-      'msvs_system_include_dirs': [
-        '<(DEPTH)/build',
-      ],
       'msvs_settings': {
         'VCCLCompilerTool': {
           'ForcedIncludeFiles': [
-            'intsafe_workaround.h',  # http://crbug.com/308740
             'sdch/<(logging_path)',
           ]
         }
       },
       'cflags': [
         '-include', '<(logging_dir)/sdch/<(logging_path)',
         # TODO(mostynb): remove this if open-vcdiff is ever updated for c++11:
         '-Wno-deprecated-declarations',
       ],
     },
   ],
 }