Remove mojo/tools/, not needed in chromium

mojo/tools/generate_java_callback_interfaces.py

-"""Generate the org.chromium.mojo.bindings.Callbacks interface"""
-
-import argparse
-import sys
-
-CALLBACK_TEMPLATE = ("""
-    /**
-     * A generic %d-argument callback.
-     *
-     * %s
-     */
-    interface Callback%d<%s> {
-        /**
-         * Call the callback.
-         */
-        public void call(%s);
-    }
-""")
-
-INTERFACE_TEMPLATE = (
-"""// Copyright 2014 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.
-
-// This file was generated using
-//     mojo/tools/generate_java_callback_interfaces.py
-
-package org.chromium.mojo.bindings;
-
-/**
- * Contains a generic interface for callbacks.
- */
-public interface Callbacks {
-
-    /**
-     * A generic callback.
-     */
-    interface Callback0 {
-        /**
-         * Call the callback.
-         */
-        public void call();
-    }
-%s
-}""")
-
-def GenerateCallback(nb_args):
-  params = '\n      * '.join(
-      ['@param <T%d> the type of argument %d.' % (i+1, i+1)
-       for i in xrange(nb_args)])
-  template_parameters = ', '.join(['T%d' % (i+1) for i in xrange(nb_args)])
-  callback_parameters = ', '.join(['T%d arg%d' % ((i+1), (i+1))
-                                   for i in xrange(nb_args)])
-  return CALLBACK_TEMPLATE % (nb_args, params, nb_args, template_parameters,
-                              callback_parameters)
-
-def main():
-  parser = argparse.ArgumentParser(
-      description="Generate org.chromium.mojo.bindings.Callbacks")
-  parser.add_argument("max_args", nargs=1, type=int,
-      help="maximal number of arguments to generate callbacks for")
-  args = parser.parse_args()
-  max_args = args.max_args[0]
-  print INTERFACE_TEMPLATE % ''.join([GenerateCallback(i+1)
-                                      for i in xrange(max_args)])
-  return 0
-
-if __name__ == "__main__":
-  sys.exit(main())