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

ipc/ipc.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,
   },
   'includes': [
     'ipc.gypi',
@@ skipping 138 matching lines @@
   'conditions': [
     ['OS=="win" and target_arch=="ia32"', {
       'targets': [
         {
           'target_name': 'ipc_win64',
           'type': '<(component)',
           'variables': {
             'ipc_target': 1,
           },
           'dependencies': [
-            '../base/base.gyp:base_nacl_win64',
+            '../base/base.gyp:base_win64',
             # TODO(viettrungluu): Needed for base/lazy_instance.h, which is
             # suspect.
             '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations_win64',
           ],
           # TODO(gregoryd): direct_dependent_settings should be shared with the
           # 32-bit target, but it doesn't work due to a bug in gyp
           'direct_dependent_settings': {
             'include_dirs': [
               '..',
             ],
@@ skipping 19 matching lines @@
           ],
           'variables': {
             'test_suite_name': 'ipc_tests',
             'input_shlib_path': '<(SHARED_LIB_DIR)/<(SHARED_LIB_PREFIX)ipc_tests<(SHARED_LIB_SUFFIX)',
           },
           'includes': [ '../build/apk_test.gypi' ],
         }],
     }],
   ],
 }