Make the license tools recoginze the dual license

tools/checklicenses/checklicenses.py

 #!/usr/bin/python
 # Copyright (c) 2011 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 14 matching lines @@
            to "." so it checks everything.
 
 Examples:
   python checklicenses.py
   python checklicenses.py --root ~/chromium/src third_party"""
 
 
 WHITELISTED_LICENSES = [
     'Apache (v2.0)',
     'Apache (v2.0) BSD (2 clause)',
+    'Apache (v2.0) GPL (v2)',
     'BSD',
     'BSD (2 clause)',
     'BSD (2 clause) MIT/X11 (BSD like)',
     'BSD (3 clause)',
     'BSD (3 clause) ISC',
     'BSD (3 clause) LGPL (v2.1 or later)',
     'BSD (3 clause) MIT/X11 (BSD like)',
     'BSD (4 clause)',
     'BSD-like',
 
@@ skipping 472 matching lines @@
                            'to "../.." relative to the script file, which '
                            'will normally be the repository root.')
   option_parser.add_option('-v', '--verbose', action='store_true',
                            default=False, help='Print debug logging')
   option_parser.add_option('--ignore-suppressions',
                            action='store_true',
                            default=False,
                            help='Ignore path-specific license whitelist.')
   options, args = option_parser.parse_args()
   main(options, args)