Fixed wrong argument placement.

scm.py

 # Copyright (c) 2006-2009 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.
 
 """SCM-specific utility classes."""
 
 import os
 import re
 import shutil
 import subprocess
@@ skipping 603 matching lines @@
     previous_cwd = os.getcwd()
     root = os.path.join(root or SVN.GetCheckoutRoot(previous_cwd), '')
     def RelativePath(path, root):
       """We must use relative paths."""
       if path.startswith(root):
         return path[len(root):]
       return path
     try:
       os.chdir(root)
       diff = "".join(filter(None,
-                            [SVN.DiffItem(RelativePath(f, root, revision),
-                                          full_move=full_move)
+                            [SVN.DiffItem(RelativePath(f, root),
+                                          full_move=full_move,
+                                          revision=revision)
                              for f in filenames]))
     finally:
       os.chdir(previous_cwd)
     return diff
 
 
   @staticmethod
   def GetEmail(repo_root):
     """Retrieves the svn account which we assume is an email address."""
     infos = SVN.CaptureInfo(repo_root)
@@ skipping 60 matching lines @@
     if not cur_dir_repo_root:
       return None
 
     while True:
       parent = os.path.dirname(directory)
       if (SVN.CaptureInfo(parent, print_error=False).get(
               "Repository Root") != cur_dir_repo_root):
         break
       directory = parent
     return directory