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

chrome/test/unit/unit_tests.scons

 # 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 = env.Clone()
 
 env.SConscript([
     '$BASE_DIR/gfx/using_base_gfx.scons',
     '$BASE_DIR/using_base.scons',
     '$BZIP2_DIR/using_bzip2.scons',
     '$CHROME_DIR/third_party/hunspell/using_hunspell.scons',
     '$CHROME_DIR/third_party/wtl/using_wtl.scons',
     '$CHROME_SRC_DIR/build/using_googleurl.scons',
     '$CHROME_SRC_DIR/build/using_v8.scons',
     '$GTEST_DIR/../using_gtest.scons',
     '$ICU38_DIR/using_icu38.scons',
     '$LIBJPEG_DIR/using_libjpeg.scons',
     '$LIBPNG_DIR/using_libpng.scons',
     '$LIBXML_DIR/using_libxml.scons',
     '$LIBXSLT_DIR/using_libxslt.scons',
     '$MODP_B64_DIR/using_modp_b64.scons',
     '$NET_DIR/using_net.scons',
     '$SKIA_DIR/using_skia.scons',
     '$ZLIB_DIR/using_zlib.scons',
 ], {'env':env})
 
-if env['PLATFORM'] == 'win32':
+if env.Bit('windows'):
   env.SConscript([
       '$SDCH_DIR/using_sdch.scons',
   ], {'env':env})
 
-if env['PLATFORM'] in ('posix', 'darwin'):
+if env.Bit('posix'):
   env.SConscript([
       '$LIBEVENT_DIR/using_libevent.scons',
   ], {'env':env})
 
 env.Prepend(
     CPPPATH = [
         '$CHROME_DIR/app/resources',
         '$CHROME_SRC_DIR',
     ],
     LIBS = [
         'browser',
         'common',
         'plugin',
         'renderer',
         'sqlite',
         'util',
         'v8_snapshot',
 
         'WTF',
         'V8Bindings',
         'default_plugin',
         'glue',
         'JavaScriptCore_pcre',
         'port',
         'WebCore',
     ],
 )
 
-if env['PLATFORM'] == 'win32':
+if env.Bit('windows'):
   env.Prepend(
       CPPPATH = [
           '$CHROME_DIR/tools/build/win',
       ],
   )
 
-if env['PLATFORM'] == 'win32':
+if env.Bit('windows'):
   # TODO(port): Port or mark as Windows-specific.
   env.Prepend(
       LIBS = [
           # TODO(port):  to be ported to Mac and Linux, or else
           # moved to the Windows-specific list below.
           'browser_views',
           'debugger',
           'jscre',
           'test_chrome_plugin',
           'views',
@@ skipping 21 matching lines @@
           '/DELAYLOAD:"uxtheme.dll"',
 
           '/DEBUG',
           '/MACHINE:X86',
           '/FIXED:No',
       ],
   )
 
 unit_test_files = []
 
-if env['PLATFORM'] in ('posix', 'win32'):
+if not env.Bit('mac'):
   # TODO(port): Port to Mac.
   unit_test_files.extend([
       'run_all_unittests.cc',
 
       '$CHROME_DIR/browser/chrome_thread_unittest.cc',
       '$CHROME_DIR/browser/extensions/extension_unittest.cc',
       '$CHROME_DIR/browser/extensions/extensions_service_unittest.cc',
       '$CHROME_DIR/browser/history/history_types_unittest.cc',
       '$CHROME_DIR/browser/history/snippet_unittest.cc',
       '$CHROME_DIR/browser/history/text_database_unittest.cc',
@@ skipping 13 matching lines @@
       '$CHROME_DIR/common/gfx/chrome_font_unittest.cc',
       '$CHROME_DIR/common/ipc_message_unittest.cc',
       '$CHROME_DIR/common/jpeg_codec_unittest.cc',
       '$CHROME_DIR/common/json_value_serializer_unittest.cc',
       '$CHROME_DIR/common/mru_cache_unittest.cc',
       '$CHROME_DIR/common/notification_service_unittest.cc',
       '$CHROME_DIR/common/property_bag_unittest.cc',
       '$CHROME_DIR/renderer/greasemonkey_slave_unittest.cc',
   ])
 
-if env['PLATFORM'] == 'win32':
+if env.Bit('windows'):
   # TODO(port): Port these.
   unit_test_files.extend([
       '$CHROME_DIR/browser/autocomplete/autocomplete_unittest.cc',
       '$CHROME_DIR/browser/autocomplete/history_contents_provider_unittest.cc',
       '$CHROME_DIR/browser/autocomplete/history_url_provider_unittest.cc',
       '$CHROME_DIR/browser/autocomplete/keyword_provider_unittest.cc',
       '$CHROME_DIR/browser/back_forward_menu_model_unittest.cc',
       '$CHROME_DIR/browser/bookmarks/bookmark_context_menu_test.cc',
       '$CHROME_DIR/browser/bookmarks/bookmark_drag_data_unittest.cc',
       '$CHROME_DIR/browser/bookmarks/bookmark_folder_tree_model_unittest.cc',
@@ skipping 80 matching lines @@
 
       # Commented out for now because googleurl_tests doesn't build with
       # gtest; see ../build/SConscript.googleurl.
       #'$GOOGLEURL_DIR/googleurl_tests.lib',
       '$NET_DIR/url_request/url_request_test_job$OBJSUFFIX',
 
       '$CHROME_DIR/browser/browser_resources.res',
       '$CHROME_DIR/test/data/resource.res',
   ])
 
-if env['PLATFORM'] in ('posix', 'win32'):
+if not env.Bit('mac'):
   # TODO(port): This should work on all platforms.
 
   unit_tests = env.ChromeTestProgram('unit_tests', unit_test_files)
 
   i = env.Install('$TARGET_ROOT', unit_tests)
   Alias('chrome', i)