Mojo: Add PRESUBMIT.py to mojo/.

mojo/public/tools/bindings/pylib/mojom_tests/support/find_files.py

 # Copyright 2014 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.
 
-from fnmatch import filter
+import fnmatch
 from os import walk
 from os.path import join
 import sys
 
 
 def FindFiles(top, pattern, **kwargs):
   """Finds files under |top| matching the glob pattern |pattern|, returning a
   list of paths."""
   matches = []
   for dirpath, _, filenames in walk(top, **kwargs):
-    for filename in filter(filenames, pattern):
+    for filename in fnmatch.filter(filenames, pattern):
       matches.append(join(dirpath, filename))
   return matches
 
 
 def main(argv):
   if len(argv) != 3:
     print "usage: %s path pattern" % argv[0]
     return 1
 
   for filename in FindFiles(argv[1], argv[2]):
     print filename
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))