Remove third_party/active_doc now that Chrome Frame is gone.

tools/checklicenses/checklicenses.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """Makes sure that all files contain proper licensing information."""
 
 
 import optparse
 import os.path
@@ skipping 126 matching lines @@
         'GPL (v3.1)',
         'GPL (v3 or later)',
     ],
     'net/tools/spdyshark': [
         'GPL (v2 or later)',
         'UNKNOWN',
     ],
     'third_party/WebKit': [
         'UNKNOWN',
     ],
-    'third_party/active_doc': [  # http://crbug.com/98113
-        'UNKNOWN',
-    ],
 
     # http://code.google.com/p/angleproject/issues/detail?id=217
     'third_party/angle': [
         'UNKNOWN',
     ],
 
     # http://crbug.com/222828
     # http://bugs.python.org/issue17514
     'third_party/chromite/third_party/argparse.py': [
         'UNKNOWN',
@@ skipping 359 matching lines @@
   option_parser.add_option('--ignore-suppressions',
                            action='store_true',
                            default=False,
                            help='Ignore path-specific license whitelist.')
   options, args = option_parser.parse_args()
   return check_licenses(options, args)
 
 
 if '__main__' == __name__:
   sys.exit(main())