Move find_depot_tools.py to build/

tools/safely-roll-deps.py

 #!/usr/bin/env python
 # Copyright 2014 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.
 
 """Generate a CL to roll a DEPS entry to the specified revision number and post
 it to Rietveld so that the CL will land automatically if it passes the
 commit-queue's checks.
 """
 
 import logging
 import optparse
 import os
 import re
 import sys
 
+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
 import scm
 import subprocess2
 
 
 def die_with_error(msg):
   print >> sys.stderr, msg
   sys.exit(1)
 
 
@@ skipping 125 matching lines @@
     prnt_subprocess.check_call(upload_cmd)
   finally:
     if not options.dry_run:
       prnt_subprocess.check_output(['git', 'checkout', old_branch])
       prnt_subprocess.check_output(['git', 'branch', '-D', new_branch])
   return 0
 
 
 if __name__ == '__main__':
   sys.exit(main())