Make installer_util_unittests build on Win64

chrome/installer/upgrade_test.gyp

 # Copyright (c) 2011 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': {
     'version_py': '../../chrome/tools/build/version.py',
     'version_path': '../../chrome/VERSION',
     'lastchange_path': '<(DEPTH)/build/util/LASTCHANGE',
     # 'branding_dir' is set in the 'conditions' section at the bottom.
@@ skipping 20 matching lines @@
           'sources': [
             'test/alternate_version_generator.cc',
             'test/alternate_version_generator.h',
             'test/pe_image_resources.cc',
             'test/pe_image_resources.h',
             'test/resource_loader.cc',
             'test/resource_loader.h',
             'test/resource_updater.cc',
             'test/resource_updater.h',
           ],
+          # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+          'msvs_disabled_warnings': [4267, ],
         },
         {
           'target_name': 'upgrade_test',
           'type': 'executable',
           'dependencies': [
             'alternate_version_generator_lib',
             # This dependency, although correct, results in the mini installer
             # being rebuilt every time upgrade_test is built.  So disable it
             # for now.
             # TODO(grt): fix rules/targets/etc for
@@ skipping 38 matching lines @@
       'variables': {
          'branding_dir': '../app/theme/google_chrome',
       },
     }, { # else branding!="Chrome"
       'variables': {
          'branding_dir': '../app/theme/chromium',
       },
     }],
   ],
 }