cc/ipc: Suppress size_t to int warning on winx64

cc/ipc/cc_ipc.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': [
      {
@@ skipping 15 matching lines @@
         '../../ui/gfx/ipc/skia/gfx_ipc_skia.gyp:gfx_ipc_skia',
       ],
       'defines': [
         'CC_IPC_IMPLEMENTATION',
       ],
       'sources': [
         'cc_param_traits.cc',
         'cc_param_traits.h',
         'cc_param_traits_macros.h',
       ],
+      # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+      'msvs_disabled_warnings': [ 4267, ],
     },
   ],
 }