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

chrome/test/unit/unit_tests.scons

Index: chrome/test/unit/unit_tests.scons
===================================================================
--- chrome/test/unit/unit_tests.scons	(revision 7247)
+++ chrome/test/unit/unit_tests.scons	(working copy)
@@ -26,12 +26,12 @@
     '$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})
@@ -60,14 +60,14 @@
     ],
 )
 
-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 = [
@@ -109,7 +109,7 @@
 
 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',
@@ -143,7 +143,7 @@
       '$CHROME_DIR/renderer/greasemonkey_slave_unittest.cc',
   ])
 
-if env['PLATFORM'] == 'win32':
+if env.Bit('windows'):
   # TODO(port): Port these.
   unit_test_files.extend([
       '$CHROME_DIR/browser/autocomplete/autocomplete_unittest.cc',
@@ -244,7 +244,7 @@
       '$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)