Move recipe engine to third_party/recipe_engine.

scripts/slave/recipe_modules/archive/api.py

 # Copyright 2013 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.
 
 import re
 
-from slave import recipe_api
+from recipe_engine import recipe_api
 
 
 # TODO(machenbach): Chromium specific data should move out of the archive
 # module, into e.g. the chromium test configs.
 EXCLUDED_FILES_ALL_PLATFORMS = [
   '.landmines',
   '.ninja_deps',
   '.ninja_log',
   'gen',
   'obj',
@@ skipping 367 matching lines @@
                                          'archive_dependencies.py')
       args = []
       args.extend(['--src-dir', self.m.path['checkout']])
       args.extend(['--target', target])
       args.extend(['--master', master])
       args.extend(['--builder', builder])
       args.extend(['--build', build])
       self.m.python(step_name, script, args, infra_step=True, **kwargs)
     except self.m.step.StepFailure:
       pass