Move find_depot_tools.py to build/

tools/roll_webrtc.py

 #!/usr/bin/env python
 # Copyright 2015 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 argparse
 import collections
 import logging
 import os
 import re
 import subprocess
 import sys
 import time
 
 
 SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
 SRC_DIR = os.path.abspath(os.path.join(SCRIPT_DIR, os.pardir))
+sys.path.insert(0, os.path.join(SRC_DIR, 'build'))
 import find_depot_tools
 find_depot_tools.add_depot_tools_to_path()
 import rietveld
 import roll_dep_svn
 from gclient import GClientKeywords
 from third_party import upload
 
 # Avoid depot_tools/third_party/upload.py print verbose messages.
 upload.verbosity = 0  # Errors only.
 
@@ skipping 404 matching lines @@
   if args.abort:
     return autoroller.Abort()
   elif args.wait_for_trybots:
     return autoroller.WaitForTrybots()
   else:
     return autoroller.PrepareRoll(args.dry_run, args.ignore_checks,
                                   args.no_commit, args.close_previous_roll)
 
 if __name__ == '__main__':
   sys.exit(main())