Add hanging test to Purify gtest filter file. Report location of filter file...

tools/purify/chrome_tests.py

 #!/bin/env python
 # Copyright (c) 2006-2008 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.
 
 # chrome_tests.py
 
 ''' Runs various chrome tests through purify_test.py
 '''
 
@@ skipping 121 matching lines @@
     logging.info("running test %s" % (self._test))
     return self._test_list[self._test]()
 
   def _ReadGtestFilterFile(self, name, cmd):
     '''Read a file which is a list of tests to filter out with --gtest_filter
     and append the command-line option to cmd.
     '''
     filters = []
     filename = os.path.join(self._data_dir, name + ".gtest.txt")
     if os.path.exists(filename):
+      logging.info("using gtest filter from %s" % filename)
       f = open(filename, 'r')
       for line in f.readlines():
         if line.startswith("#") or line.startswith("//") or line.isspace():
           continue
         line = line.rstrip()
         filters.append(line)
     gtest_filter = self._options.gtest_filter
     if len(filters):
       if gtest_filter:
         gtest_filter += ":"
@@ skipping 219 matching lines @@
     tests = ChromeTests(options, args, t)
     ret = tests.Run()
     if ret: return ret
   return 0
 
 
 if __name__ == "__main__":
   ret = _main(sys.argv)
   sys.exit(ret)