Move editor/build/truncate_files.py to tools/create_timestamp_file.py

editor/build/generate_sources.py

 #!/usr/bin/env python
 # Copyright (c) 2013, 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.
 
 import StringIO
 import os
 import sys
 
 from os.path import join
@@ skipping 83 matching lines @@
           'action_name': '%(pkg)s_action',
           'inputs': [
             '%(pkg)s_sources.gypi',
             '<@(sources)',
           ],
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/editor_deps/%(pkg)s.stamp',
           ],
           'action': [
             'python',
-            '../truncate_files.py',
+            '../../../tools/create_timestamp_file.py',
             '<@(_outputs)',
           ],
           'message': 'Creating %(pkg)s time stamp.',
         },
 """ % {'pkg':pkg}
 
 
 def Main(argv):
   # move up to the parent 'dart' directory
   base_directory = join(os.path.dirname(argv[0]), '..', '..')
@@ skipping 24 matching lines @@
         {
           'action_name': 'editor_stamp_action',
           'inputs': [
             %s,
           ],
           'outputs': [
             '<(SHARED_INTERMEDIATE_DIR)/editor_deps/editor.stamp',
           ],
           'action': [
             'python',
-            '../truncate_files.py',
+            '../../../tools/create_timestamp_file.py',
             '<@(_outputs)',
           ],
           'message': 'Creating editor time stamp.',
         },
       ],
     },
   ],
 }
 """ % (",\n".join(stamps))
 
 if __name__ == '__main__':
   sys.exit(Main(sys.argv))