Update checklicenses to pass.

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 174 matching lines @@
         'UNKNOWN',
     ],
     'third_party/ffmpeg': [
         'GPL',
         'GPL (v2 or later)',
         'UNKNOWN',
     ],
     'third_party/gles2_book': [
         'UNKNOWN',
     ],
+    'third_party/gles2_conform/GTF_ES': [
+        'UNKNOWN',
+    ],
     'third_party/gpsd/release-2.38/gps.h': [
         'UNKNOWN',
     ],
     'third_party/harfbuzz': [
         'UNKNOWN',
     ],
     'third_party/hunspell': [
         'UNKNOWN',
     ],
     'third_party/hyphen': [
@@ skipping 155 matching lines @@
     ],
     'tools/emacs': [
         'UNKNOWN',
     ],
     'tools/grit/grit/node/custom/__init__.py': [
         'UNKNOWN',
     ],
     'tools/gyp/test': [
         'UNKNOWN',
     ],
+    'tools/histograms': [
+        'UNKNOWN',
+    ],
     'tools/memory_watcher': [
         'UNKNOWN',
     ],
     'tools/playback_benchmark': [
         'UNKNOWN',
     ],
     'tools/python/google/__init__.py': [
         'UNKNOWN',
     ],
     'tools/site_compare': [
@@ skipping 49 matching lines @@
     print stderr
     print '--------- end licensecheck stderr ---------'
     print "\nFAILED\n"
     sys.exit(1)
 
   success = True
   for line in stdout.splitlines():
     filename, license = line.split(':', 1)
     filename = os.path.relpath(filename.strip(), options.base_directory)
 
+    # All files in the build output directory are generated one way or another.
+    # There's no need to check them.
+    if filename.startswith('out/') or filename.startswith('sconsbuild/'):
+      continue
+
     # For now we're just interested in the license.
     license = license.replace('*No copyright*', '').strip()
 
     # Skip generated files.
     if 'GENERATED FILE' in license:
       continue
 
     if license in WHITELISTED_LICENSES:
       continue
 
@@ skipping 23 matching lines @@
   option_parser = optparse.OptionParser()
   option_parser.add_option('--root', default=default_root,
                            dest='base_directory',
                            help='Specifies the repository root. This defaults '
                            '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')
   options, args = option_parser.parse_args()
   main(options, args)