base.gyp: Add conditions for NaCl builds.

webrtc/base/base.gyp

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 {
   'includes': [ '../build/common.gypi', ],
@@ skipping 452 matching lines @@
             'ifaddrs-android.cc',
             'ifaddrs-android.h',
           ],
           'link_settings': {
             'libraries': [
               '-llog',
               '-lGLESv2',
             ],
           },
         }],
-        ['OS=="mac" or OS=="ios"', {
+        ['(OS=="mac" or OS=="ios") and nacl_untrusted_build==0', {
           'sources': [
             'maccocoathreadhelper.h',
             'maccocoathreadhelper.mm',
             'macconversion.cc',
             'macconversion.h',
             'macifaddrs_converter.cc',
             'scoped_autorelease_pool.h',
             'scoped_autorelease_pool.mm',
           ],
         }],
@@ skipping 59 matching lines @@
                   'xcode_settings': {
                     'OTHER_LDFLAGS': [
                       '-framework Carbon',
                     ],
                   },
                 },
               },
             }],
           ],
         }],
-        ['OS=="win"', {
+        ['OS=="win" and nacl_untrusted_build==0', {
           'sources': [
             'win32.cc',
             'win32.h',
             'win32filesystem.cc',
             'win32filesystem.h',
             'win32securityerrors.cc',
             'win32window.cc',
             'win32window.h',
             'win32windowpicker.cc',
             'win32windowpicker.h',
@@ skipping 57 matching lines @@
     },
     {
      'target_name': 'gtest_prod',
       'type': 'static_library',
       'sources': [
         'gtest_prod_util.h',
       ],
     },
   ],
 }