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

ppapi/ppapi_internal.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,  # Use higher warning level.
   },
   'target_defaults': {
     'conditions': [
@@ skipping 206 matching lines @@
       'targets': [
         {
           'target_name': 'ppapi_shared_win64',
           'type': '<(component)',
           'variables': {
             'nacl_win64_target': 1,
             'ppapi_shared_target': 1,
           },
           'dependencies': [
             'ppapi.gyp:ppapi_c',
-            '../base/base.gyp:base_nacl_win64',
+            '../base/base.gyp:base_win64',
             '../base/third_party/dynamic_annotations/dynamic_annotations.gyp:dynamic_annotations_win64',
             '../ipc/ipc.gyp:ipc_win64',
           ],
           'defines': [
             '<@(nacl_win64_defines)',
           ],              
           'export_dependent_settings': [
-            '../base/base.gyp:base_nacl_win64',
+            '../base/base.gyp:base_win64',
           ],
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
         },
         {
           'target_name': 'ppapi_ipc_win64',
           'type': 'static_library',
           'variables': {
             'nacl_win64_target': 1,
             'ppapi_ipc_target': 1,
           },
           'dependencies': [
-            '../base/base.gyp:base_nacl_win64',
+            '../base/base.gyp:base_win64',
             '../ipc/ipc.gyp:ipc_win64',
             '../gpu/gpu.gyp:gpu_ipc_win64',
             'ppapi.gyp:ppapi_c',
             'ppapi_shared_win64',
           ],
           'export_dependent_settings': [
             '../gpu/gpu.gyp:gpu_ipc_win64',
           ],
           'defines': [
             '<@(nacl_win64_defines)',
           ],              
           'all_dependent_settings': {
             'include_dirs': [
                '..',
             ],
           },
           'configurations': {
             'Common_Base': {
               'msvs_target_platform': 'x64',
             },
           },
       }],
     }],
   ],
 }