Fix native_client/PRESUBMIT.py .

PRESUBMIT.py

 # Copyright (c) 2012 The Native Client Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 # Documentation on PRESUBMIT.py can be found at:
 # http://www.chromium.org/developers/how-tos/depottools/presubmit-scripts
 
 import os
 import subprocess
 import sys
@@ skipping 179 matching lines @@
     'nacl-toolchain-mac-newlib-arm',
     ] + PNACL_TOOLCHAIN_TRYBOTS
 
 
 def GetPreferredTryMasters(_, change):
 
   has_pnacl = False
   has_toolchain_build = False
   has_others = False
 
-  for file in change.AffectedFiles(include_dirs=True):
+  for file in change.AffectedFiles():
     if IsFileInDirectories(file.AbsoluteLocalPath(),
                            [os.path.join(NACL_TOP_DIR, 'build'),
                             os.path.join(NACL_TOP_DIR, 'buildbot'),
                             os.path.join(NACL_TOP_DIR, 'pynacl')]):
       # Buildbot and infrastructure changes should trigger all the try bots.
       has_pnacl = True
       has_toolchain_build = True
       has_others = True
       break
     elif IsFileInDirectories(file.AbsoluteLocalPath(),
                            [os.path.join(NACL_TOP_DIR, 'pnacl')]):
       has_pnacl = True
     elif IsFileInDirectories(file.AbsoluteLocalPath(),
                              [os.path.join(NACL_TOP_DIR, 'toolchain_build')]):
       has_toolchain_build = True
     else:
       has_others = True
 
   trybots = []
   if has_pnacl:
     trybots += PNACL_TOOLCHAIN_TRYBOTS
   if has_toolchain_build:
     trybots += TOOLCHAIN_BUILD_TRYBOTS
   if has_others:
     trybots += DEFAULT_TRYBOTS
 
   return {
     'tryserver.nacl': { t: set(['defaulttests']) for t in set(trybots) },
   }