Make all net targets build on Win64

net/third_party/nss/ssl.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.
 
 {
   'conditions': [
     [ 'os_posix == 1 and OS != "mac" and OS != "ios"', {
       'conditions': [
         ['sysroot!=""', {
           'variables': {
@@ skipping 68 matching lines @@
         'NSS_ENABLE_ZLIB',
         'USE_UTIL_DIRECTLY',
       ],
       'defines!': [
         # Regrettably, NSS can't be compiled with NO_NSPR_10_SUPPORT yet.
         'NO_NSPR_10_SUPPORT',
       ],
       'dependencies': [
         '../../../third_party/zlib/zlib.gyp:zlib',
       ],
-      'msvs_disabled_warnings': [4018, 4244],
+      'msvs_disabled_warnings': [4018, 4244, 4267],
       'conditions': [
         [ 'clang == 1', {
           'cflags': [
             # See http://crbug.com/138571#c8. In short, sslsecur.c picks up the
             # system's cert.h because cert.h isn't in chromium's repo.
             '-Wno-incompatible-pointer-types',
           ],
         }],
         [ 'OS == "mac" or OS == "ios"', {
           'defines': [
@@ skipping 71 matching lines @@
       'configurations': {
         'Debug_Base': {
           'defines': [
             'DEBUG',
           ],
         },
       },
     },
   ],
 }