add PRESUBMIT for native_client_sdk.

native_client_sdk/src/build_tools/nacl-mono-buildbot.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.
 
 import hashlib
 import json
 import os
 import sys
 
 import buildbot_common
 import build_utils
 
 GS_MANIFEST_PATH = 'gs://nativeclient-mirror/nacl/nacl_sdk/'
 SDK_MANIFEST = 'naclsdk_manifest2.json'
 MONO_MANIFEST = 'naclmono_manifest.json' 
 
-def build_and_upload_mono(sdk_revision, pepper_revision, sdk_url, upload_path, args):
+def build_and_upload_mono(sdk_revision, pepper_revision, sdk_url,
+                          upload_path, args):
   install_dir = 'naclmono'
   buildbot_common.RemoveDir(install_dir)
 
   revision_opt = ['--sdk-revision', sdk_revision] if sdk_revision else []
   url_opt = ['--sdk-url', sdk_url] if sdk_url else []
 
   buildbot_common.Run([sys.executable, 'nacl-mono-builder.py',
                       '--arch', 'x86-32', '--install-dir', install_dir] +
                       revision_opt + url_opt + args)
   buildbot_common.Run([sys.executable, 'nacl-mono-builder.py',
@@ skipping 75 matching lines @@
 
 def update_mono_sdk_json(infos):
   '''Update the naclmono manifest with the newly built packages'''
   if len(infos) == 0:
     return
 
   manifest_file = open(MONO_MANIFEST, 'r')
   mono_manifest = json.loads(manifest_file.read())
   manifest_file.close()
 
-  newbundles = {}
   for info in infos:
     bundle = {}
     bundle['name'] = info['naclmono_name']
     bundle['description'] = 'Mono for Native Client'
     bundle['stability'] = info['stability']
     bundle['recommended'] = 'no'
     bundle['version'] = 'experimental'
     archive = {}
     sha1_hash = hashlib.sha1()
     f = open(info['naclmono_name'] + '.bz2', 'rb')
@@ skipping 49 matching lines @@
       # This will put the file in naclmono_19/1/naclmono_19.bz2 for example.
       upload_path = info['naclmono_name'] + '/' + info['naclmono_rev']
       build_and_upload_mono(None, info['pepper_revision'], info['sdk_url'],
           upload_path, args)
     update_mono_sdk_json(infos)
     
 
 
 if __name__ == '__main__':
   sys.exit(main(sys.argv))