Move gn secondary_source to the build/ directory

tools/licenses.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.
 
 """Utility for checking and processing licensing information in third_party
 directories.
 
 Usage: licenses.py <command>
 
@@ skipping 17 matching lines @@
     # Placeholder directory only, not third-party code.
     os.path.join('third_party','adobe'),
 
     # Build files only, not third-party code.
     os.path.join('third_party','widevine'),
 
     # Only binaries, used during development.
     os.path.join('third_party','valgrind'),
 
     # Used for development and test, not in the shipping product.
+    os.path.join('build','secondary'),
     os.path.join('third_party','bison'),
     os.path.join('third_party','blanketjs'),
     os.path.join('third_party','cygwin'),
     os.path.join('third_party','gnu_binutils'),
     os.path.join('third_party','gold'),
     os.path.join('third_party','gperf'),
     os.path.join('third_party','lighttpd'),
     os.path.join('third_party','llvm'),
     os.path.join('third_party','llvm-build'),
     os.path.join('third_party','mingw-w64'),
     os.path.join('third_party','nacl_sdk_binaries'),
     os.path.join('third_party','pefile'),
     os.path.join('third_party','perl'),
     os.path.join('third_party','psyco_win32'),
     os.path.join('third_party','pylib'),
     os.path.join('third_party','pywebsocket'),
     os.path.join('third_party','qunit'),
     os.path.join('third_party','sinonjs'),
     os.path.join('third_party','syzygy'),
-    os.path.join('tools','gn'),
 
     # Chromium code in third_party.
     os.path.join('third_party','fuzzymatch'),
     os.path.join('tools', 'swarming_client'),
 
     # Stuff pulled in from chrome-internal for official builds/tools.
     os.path.join('third_party', 'clear_cache'),
     os.path.join('third_party', 'gnu'),
     os.path.join('third_party', 'googlemac'),
     os.path.join('third_party', 'pcre'),
@@ skipping 394 matching lines @@
     elif command == 'credits':
         if not GenerateCredits():
             return 1
     else:
         print __doc__
         return 1
 
 
 if __name__ == '__main__':
   sys.exit(main())