Android: Make stack tool work for GN builds

third_party/android_platform/development/scripts/stack

 #!/usr/bin/env python
 #
 # Copyright (C) 2013 The Android Open Source Project
 #
 # Licensed under the Apache License, Version 2.0 (the "License");
 # you may not use this file except in compliance with the License.
 # You may obtain a copy of the License at
 #
 #      http://www.apache.org/licenses/LICENSE-2.0
 #
@@ skipping 120 matching lines @@
   for option, value in options:
     if option == "--help":
       PrintUsage()
     elif option == "--symbols-dir":
       symbol.SYMBOLS_DIR = os.path.expanduser(value)
     elif option == "--symbols-zip":
       zip_arg = os.path.expanduser(value)
     elif option == "--arch":
       symbol.ARCH = value
     elif option == "--chrome-symbols-dir":
-      symbol.CHROME_SYMBOLS_DIR = os.path.join(symbol.CHROME_SYMBOLS_DIR, value)
+      symbol.CHROME_SYMBOLS_DIR = os.path.join(symbol.CHROME_SRC, value)
     elif option == "--more-info":
       more_info = True
     elif option == "--less-info":
       more_info = False
     elif option == "--verbose":
       logging.basicConfig(level=logging.DEBUG)
 
   if len(arguments) > 1:
     PrintUsage()
 
   if not arguments or arguments[0] == "-":
     print "Reading native crash info from stdin"
     f = sys.stdin
   else:
     print "Searching for native crashes in %s" % arguments[0]
     f = open(arguments[0], "r")
 
   lines = f.readlines()
   f.close()
 
   rootdir = None
   if zip_arg:
     rootdir, symbol.SYMBOLS_DIR = UnzipSymbols(zip_arg)
 
   print "Reading Android symbols from", symbol.SYMBOLS_DIR
-  print "Reading Chrome symbols from", symbol.CHROME_SYMBOLS_DIR
+  chrome_search_path = symbol.GetLibrarySearchPaths()
+  print "Searching for Chrome symbols from within", ':'.join(chrome_search_path)
   stack_core.ConvertTrace(lines, more_info)
 
   if rootdir:
     # be a good citizen and clean up...os.rmdir and os.removedirs() don't work
     cmd = "rm -rf \"%s\"" % rootdir
     print "\ncleaning up (%s)" % cmd
     os.system(cmd)
 
 if __name__ == "__main__":
   sys.exit(main(sys.argv[1:]))
 
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