Check that external references are registered in the serializer.

tools/presubmit.py

 #!/usr/bin/env python
 #
 # Copyright 2012 the V8 project authors. All rights reserved.
 # Redistribution and use in source and binary forms, with or without
 # modification, are permitted provided that the following conditions are
 # met:
 #
 #     * Redistributions of source code must retain the above copyright
 #       notice, this list of conditions and the following disclaimer.
 #     * Redistributions in binary form must reproduce the above
@@ skipping 405 matching lines @@
     return success
 
 
 def CheckGeneratedRuntimeTests(workspace):
   code = subprocess.call(
       [sys.executable, join(workspace, "tools", "generate-runtime-tests.py"),
        "check"])
   return code == 0
 
 
+def CheckExternalReferenceRegistration(workspace):
+  code = subprocess.call(
+      [sys.executable, join(workspace, "tools", "external-reference-check.py")])
+  return code == 0
+
+
 def GetOptions():
   result = optparse.OptionParser()
   result.add_option('--no-lint', help="Do not run cpplint", default=False,
                     action="store_true")
   return result
 
 
 def Main():
   workspace = abspath(join(dirname(sys.argv[0]), '..'))
   parser = GetOptions()
   (options, args) = parser.parse_args()
   success = True
   print "Running C++ lint check..."
   if not options.no_lint:
     success = CppLintProcessor().Run(workspace) and success
   print "Running copyright header, trailing whitespaces and " \
         "two empty lines between declarations check..."
   success = SourceProcessor().Run(workspace) and success
   success = CheckGeneratedRuntimeTests(workspace) and success
+  success = CheckExternalReferenceRegistration(workspace) and success
   if success:
     return 0
   else:
     return 1
 
 
 if __name__ == '__main__':
   sys.exit(Main())