Add CSS as a source file type.

presubmit_support.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Enables directory-specific presubmit checks to run at upload and/or commit.
 """
 
 __version__ = '1.6.1'
 
@@ skipping 180 matching lines @@
   # Files without an extension aren't included in the list. If you want to
   # filter them as source files, add r"(^|.*?[\\\/])[^.]+$" to the white list.
   # Note that ALL CAPS files are black listed in DEFAULT_BLACK_LIST below.
   DEFAULT_WHITE_LIST = (
       # C++ and friends
       r".+\.c$", r".+\.cc$", r".+\.cpp$", r".+\.h$", r".+\.m$", r".+\.mm$",
       r".+\.inl$", r".+\.asm$", r".+\.hxx$", r".+\.hpp$", r".+\.s$", r".+\.S$",
       # Scripts
       r".+\.js$", r".+\.py$", r".+\.sh$", r".+\.rb$", r".+\.pl$", r".+\.pm$",
       # Other
-      r".+\.java$", r".+\.mk$", r".+\.am$",
+      r".+\.java$", r".+\.mk$", r".+\.am$", r".+\.css$"
   )
 
   # Path regexp that should be excluded from being considered containing source
   # files. Don't modify this list from a presubmit script!
   DEFAULT_BLACK_LIST = (
       r".*\bexperimental[\\\/].*",
       r".*\bthird_party[\\\/].*",
       # Output directories (just in case)
       r".*\bDebug[\\\/].*",
       r".*\bRelease[\\\/].*",
@@ skipping 1053 matching lines @@
   except PresubmitFailure, e:
     print >> sys.stderr, e
     print >> sys.stderr, 'Maybe your depot_tools is out of date?'
     print >> sys.stderr, 'If all fails, contact maruel@'
     return 2
 
 
 if __name__ == '__main__':
   fix_encoding.fix_encoding()
   sys.exit(Main(None))