Unify most of our utf8 implementations. This takes the implementation

tools/create_sdk.py

 #!/usr/bin/env python
 #
 # Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 #
 # A script which will be invoked from gyp to create an SDK.
 #
 # Usage: create_sdk.py sdk_directory
 #
@@ skipping 26 matching lines @@
 # ......frog/
 # ......html/ 
 # ........html_frog.dart
 # ........html_dartium.dart
 # ......json/
 # ........json_frog.dart
 #.........json.dart
 # ........{frog}/
 # ......uri/
 # ........uri.dart
-# ......utf8/
-# ........utf8.dart
+# ......utf/
 # ......(more will come here)
 # ....util/
 # ......(more will come here)
 
 
 
 import os
 import re
 import sys
 import tempfile
@@ skipping 191 matching lines @@
   # Create and populate lib/dom.
   #
   dom_src_dir = join(HOME, 'client', 'dom')
   dom_dest_dir = join(LIB, 'dom')
   os.makedirs(dom_dest_dir)
 
   copyfile(join(dom_src_dir, 'frog', 'dom_frog.dart'),
            join(dom_dest_dir, 'dom_frog.dart'))
 
   #
-  # Create and populate lib/{json, uri, utf8} .
+  # Create and populate lib/{json, uri, utf} .
   #
 
-  for library in ['json', 'uri', 'utf8']:
+  for library in ['json', 'uri', 'utf']:
     src_dir = join(HOME, 'lib', library)
     dest_dir = join(LIB, library)
     os.makedirs(dest_dir)
 
     for filename in os.listdir(src_dir):
       if filename.endswith('.dart'):
         copyfile(join(src_dir, filename), join(dest_dir, filename))
 
   # Create and populate lib/dartdoc
   dartdoc_src_dir = join(HOME, 'lib', 'dartdoc')
@@ skipping 112 matching lines @@
 
   # Create and copy tools.
 
   UTIL = join(SDK_tmp, 'util')
   os.makedirs(UTIL)
 
   move(SDK_tmp, SDK)
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv))