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

webkit/glue/SConscript

Index: webkit/glue/SConscript
===================================================================
--- webkit/glue/SConscript	(revision 7247)
+++ webkit/glue/SConscript	(working copy)
@@ -12,7 +12,7 @@
     ]
 )
 
-if env['PLATFORM'] == 'win32':
+if env.Bit('windows'):
   env.Append(
       CCFLAGS = [
           '/TP',
@@ -79,7 +79,7 @@
   'webview_impl.cc',
 ]
 
-if env['PLATFORM'] == 'posix':
+if env.Bit('linux'):
   # TODO(port): until we have plugin support for Linux, these files aren't
   # built.
   remove_files = [
@@ -92,7 +92,7 @@
   for file in remove_files:
     input_files.remove(file)
 
-if env['PLATFORM'] == 'win32':
+if env.Bit('windows'):
   # TODO(port): These extra files aren't win32-specific, they've just not been
   # tested on other platforms yet.
   input_files.extend([
@@ -106,25 +106,25 @@
     'webdropdata.cc',
   ])
 
-if env['PLATFORM'] == 'win32':
+if env.Bit('windows'):
   input_files.extend([
     'plugins/plugin_stream_win.cc',
     'webcursor_win.cc',
     'webinputevent_win.cc',
     'webkit_glue_win.cc',
   ])
-elif env['PLATFORM'] == 'posix':
+elif env.Bit('linux'):
   input_files.extend([
       'webcursor_gtk.cc',
       'webinputevent_linux.cc',
       'webkit_glue_gtk.cc',
   ])
-elif env['PLATFORM'] == 'darwin':
+elif env.Bit('mac'):
   input_files.extend([
     'webcursor_mac.mm',
   ])
 
-if env['PLATFORM'] in ('posix', 'darwin'):
+if env.Bit('posix'):
   input_files.extend([
     'plugins/plugin_stream_posix.cc',
   ])