Make crypto build on Win64

crypto/crypto.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,
     # Put all transitive dependencies for Windows HMAC here.
     # This is required so that we can build them for nacl win64.
     'hmac_win64_related_sources': [
@@ skipping 111 matching lines @@
             '../third_party/nss/nss.gyp:nspr',
             '../third_party/nss/nss.gyp:nss',
           ],
         }],
         [ 'OS != "win"', {
           'sources!': [
             'capi_util.h',
             'capi_util.cc',
           ],
         }],
+        [ 'OS == "win"', {
+          # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+          'msvs_disabled_warnings': [4267, ],
+        }],
         [ 'use_openssl==1', {
             # TODO(joth): Use a glob to match exclude patterns once the
             #             OpenSSL file set is complete.
             'sources!': [
               'ec_private_key_nss.cc',
               'ec_signature_creator_nss.cc',
               'encryptor_nss.cc',
               'hmac_nss.cc',
               'nss_util.cc',
               'nss_util.h',
@@ skipping 170 matching lines @@
             'rsa_private_key_unittest.cc',
             'signature_creator_unittest.cc',
             'signature_verifier_unittest.cc',
           ],
         }],
         [ 'OS == "mac"', {
           'dependencies': [
             '../third_party/nss/nss.gyp:nspr',
           ],
         }],
+        [ 'OS == "win"', {
+          # TODO(jschuh): crbug.com/167187 fix size_t to int truncations.
+          'msvs_disabled_warnings': [4267, ],
+        }],
         [ 'use_openssl==1', {
           'sources!': [
             'nss_util_unittest.cc',
             'openpgp_symmetric_encryption_unittest.cc',
             'rsa_private_key_nss_unittest.cc',
           ],
         }],
       ],
     },
   ],
@@ skipping 23 matching lines @@
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
       ],
     }],
   ],
 }