Convert from using env['PLATFORM'] directly to using the more flexible...

webkit/glue/plugins/test/SConscript

 # Copyright (c) 2006-2008 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.
 
 Import('env', 'env_res')
 
 env = env.Clone()
 env_res = env_res.Clone()
 
 input_files = [
     'npapi_constants.cc',
     'npapi_test.cc',
     'plugin_arguments_test.cc',
     'plugin_delete_plugin_in_stream_test.cc',
     'plugin_get_javascript_url_test.cc',
     'plugin_geturl_test.cc',
     'plugin_new_fails_test.cc',
     'plugin_npobject_proxy_test.cc',
     'plugin_test.cc'
 ]
 
-if env['PLATFORM'] == 'win32':
+if env.Bit('windows'):
   # TODO(port): Port these.
   input_files.extend([
       'plugin_execute_script_delete_test.cc',
       'plugin_javascript_open_popup.cc',
       'plugin_client.cc',                 # Includes not ported headers.
       'plugin_npobject_lifetime_test.cc', # Has win32-isms (HWND, CALLBACK).
       'plugin_window_size_test.cc'        # Has w32-isms including HWND.
   ])
 
 env.Append(
     LIBS = [
          'base',
          'icu',
     ],
 )
 
-if env['PLATFORM'] == 'win32':
+if env.Bit('windows'):
   input_files.extend([
       env_res.RES('npapi_test.rc'),
       'npapi_test.def'
   ])
 
   env.Append(
       CCFLAGS = [
           '/TP',
           '/wd4800',
       ],
@@ skipping 17 matching lines @@
           '/ignore:4199',
           '/nxcompat',
       ],
   )
 
 dll = env.ChromeSharedLibrary('npapi_test_plugin', input_files)
 
 i = env.Install('$TARGET_ROOT', dll)
 env.Alias('webkit', i)