chromium: pass proper --src-dir to win_apply_syzyasan.py

scripts/slave/chromium/win_apply_syzyasan.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.
 
 import multiprocessing
 import optparse
 import os
 import shutil
 import subprocess
@@ skipping 200 matching lines @@
       help='Specify the path to the ASAN agent_logger.exe relative to '
            'build-dir (%default).')
   parser.add_option(
       '--pdbfind_exe', default=default_pdbfind_exe,
       help='Specify the path to the ASAN pdbfind.exe relative to '
            'build-dir (%default).')
   parser.add_option(
       '--runtime_path', default=default_runtime_path,
       help='Specify the path to the ASAN runtime DLL relative to '
            'build-dir (%default).')
+  parser.add_option('--src-dir', help='path to the top-level sources directory')
   options, args = parser.parse_args()
-  options.build_dir = build_directory.GetBuildOutputDirectory()
+  options.build_dir = build_directory.GetBuildOutputDirectory(
+      src_dir=options.src_dir)
 
   options.build_dir = os.path.abspath(options.build_dir)
 
   if not options.build_dir:
     parser.error('Must specify --build-dir')
   if not options.target:
     parser.error('Must specify --target')
   if args:
     parser.error('Not expecting additional arguments')
 
@@ skipping 25 matching lines @@
   print 'Default BLACKLIST is: %r' % BLACKLIST
 
   return ApplyAsanToBuild(options.full_directory,
                           options.instrument_exe,
                           options.pdbfind_exe,
                           options.jobs)
 
 
 if __name__ == '__main__':
   sys.exit(main())