Allow Win64 build of base library even in a Win32 build.

chrome/chrome_exe.gypi

 # 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.
 
 {
   'targets': [
     {
       'target_name': 'chrome',
       'type': 'executable',
       'mac_bundle': 1,
@@ skipping 567 matching lines @@
                 '../content/common/sandbox_init_win.cc',
                 '../content/common/sandbox_win.cc',
                 '../content/public/common/content_switches.cc',
                 '<(SHARED_INTERMEDIATE_DIR)/chrome_version/nacl64_exe_version.rc',
               ],
               'dependencies': [
                 'app/policy/cloud_policy_codegen.gyp:policy_win64',
                 'chrome_version_resources',
                 'installer_util_nacl_win64',
                 '../base/base.gyp:base_i18n_nacl_win64',
-                '../base/base.gyp:base_nacl_win64',
+                '../base/base.gyp:base_win64',
                 '../base/base.gyp:base_static_win64',
                 '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations_win64',
                 '../breakpad/breakpad.gyp:breakpad_handler_win64',
                 '../breakpad/breakpad.gyp:breakpad_sender_win64',
                 '../components/components.gyp:breakpad_win64',
                 '../chrome/common_constants.gyp:common_constants_win64',
                 '../components/nacl.gyp:nacl_win64',
                 '../crypto/crypto.gyp:crypto_nacl_win64',
                 '../ipc/ipc.gyp:ipc_win64',
                 '../sandbox/sandbox.gyp:sandbox_win64',
@@ skipping 49 matching lines @@
               'dependencies': [
                 'chrome_nacl_win64',
               ],
             }],
           ],
         },
       ],
     }],
   ],
 }