Add --output-directory flag to build/android/asan_symbolize.py

build/android/asan_symbolize.py

 #!/usr/bin/env python
 #
 # Copyright 2013 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 collections
 import optparse
 import os
 import re
 import sys
 
+from pylib import constants
 from pylib.constants import host_paths
 
 # Uses symbol.py from third_party/android_platform, not python's.
 with host_paths.SysPath(
     host_paths.ANDROID_PLATFORM_DEVELOPMENT_SCRIPTS_PATH,
     position=0):
   import symbol
 
 
 _RE_ASAN = re.compile(r'(.*?)(#\S*?) (\S*?) \((.*?)\+(.*?)\)')
@@ skipping 62 matching lines @@
       print '%s%s %s %s' % (m['prefix'], m['pos'], s[0], s[1])
     else:
       print asan_log_line['raw_log']
 
 
 def main():
   parser = optparse.OptionParser()
   parser.add_option('-l', '--logcat',
                     help='File containing adb logcat output with ASan stacks. '
                          'Use stdin if not specified.')
+  parser.add_option('--output-directory',
+                    help='Path to the root build directory.')
   options, _ = parser.parse_args()
+
+  if options.output_directory:
+    constants.SetOutputDirectory(options.output_directory)
+
   if options.logcat:
     asan_input = file(options.logcat, 'r')
   else:
     asan_input = sys.stdin
   _Symbolize(asan_input.readlines())
 
 
 if __name__ == "__main__":
   sys.exit(main())