Restructure the ipc_fuzzer directory.

tools/ipc_fuzzer/scripts/cf_package_builder.py

 #!/usr/bin/env python
 # 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.
 
 """Creates IPC fuzzer packages suitable for uploading to ClusterFuzz. Stores
 the packages into chrome build directory. See fuzzer_list below for the list of
 fuzzers.
 """
 
@@ skipping 59 matching lines @@
     self.switch_to_temp_work_directory()
     for fuzzer in self.fuzzer_list:
       self.build_package(fuzzer)
     self.remove_temp_work_directory()
 
     return 0
 
 if __name__ == "__main__":
   builder = CFPackageBuilder()
   sys.exit(builder.main())