Move recipe engine to third_party/recipe_engine.

scripts/slave/recipe_modules/bot_update/resources/bot_update.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.
 
 # TODO(hinoka): Use logging.
 
 import cStringIO
 import codecs
 import collections
@@ skipping 19 matching lines @@
 BUF_SIZE = 256
 
 # Define a bunch of directory paths.
 # Relative to the current working directory.
 CURRENT_DIR = path.abspath(os.getcwd())
 BUILDER_DIR = path.dirname(CURRENT_DIR)
 SLAVE_DIR = path.dirname(BUILDER_DIR)
 
 # Relative to this script's filesystem path.
 THIS_DIR = path.dirname(path.abspath(__file__))
-SCRIPTS_DIR = path.dirname(THIS_DIR)
+SCRIPTS_DIR = path.dirname(path.dirname(path.dirname(path.dirname(THIS_DIR))))
 BUILD_DIR = path.dirname(SCRIPTS_DIR)
 ROOT_DIR = path.dirname(BUILD_DIR)
 BUILD_INTERNAL_DIR = path.join(ROOT_DIR, 'build_internal')
 DEPOT_TOOLS_DIR = path.join(ROOT_DIR, 'depot_tools')
 
 
 CHROMIUM_GIT_HOST = 'https://chromium.googlesource.com'
 CHROMIUM_SRC_URL = CHROMIUM_GIT_HOST + '/chromium/src.git'
 
 # Official builds use buildspecs, so this is a special case.
@@ skipping 1644 matching lines @@
   except Exception:
     # Unexpected failure.
     emit_flag(options.flag_file)
     raise
   else:
     emit_flag(options.flag_file)
 
 
 if __name__ == '__main__':
   sys.exit(main())