Fix bitrot in Chrome clang tool infrastructure.

tools/clang/scripts/run_tool.py

 #!/usr/bin/env python
 # Copyright (c) 2013 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.
 
 """Wrapper script to help run clang tools across Chromium code.
 
 How to use this tool:
 If you want to run the tool across all Chromium code:
 run_tool.py <tool> <path/to/compiledb>
@@ skipping 196 matching lines @@
           continue
         last_edit = edit
         contents[edit.offset:edit.offset + edit.length] = edit.replacement
         if not edit.replacement:
           _ExtendDeletionIfElementIsInList(contents, edit.offset)
         edit_count += 1
       f.seek(0)
       f.truncate()
       f.write(contents)
     if clang_format_diff_path:
-      if subprocess.call('git diff -U0 %s | python %s -style=Chromium' % (
+      if subprocess.call('git diff -U0 %s | python %s -i -p1 -style=file ' % (
           k, clang_format_diff_path), shell=True) != 0:
         print 'clang-format failed for %s' % k
   print 'Applied %d edits to %d files' % (edit_count, len(edits))
 
 
 _WHITESPACE_BYTES = frozenset((ord('\t'), ord('\n'), ord('\r'), ord(' ')))
 
 
 def _ExtendDeletionIfElementIsInList(contents, offset):
   """Extends the range of a deletion if the deleted element was part of a list.
@@ skipping 66 matching lines @@
   _ApplyEdits({k : v for k, v in dispatcher.edits.iteritems()
                     if k in filenames},
               clang_format_diff_path)
   if dispatcher.failed_count != 0:
     return 2
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv[1:]))