Move recipe engine to third_party/recipe_engine.

scripts/slave/recipe_modules/syzygy/test_api.py

 # 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.
 
-from slave import recipe_test_api
+from recipe_engine import recipe_test_api
 
 # pylint: disable=W0232
 class SyzygyTestApi(recipe_test_api.RecipeTestApi):
   @staticmethod
   def sanitize_non_alpha(text):
     """Sanitizes non-alphanumeric characters in a string, replacing with _."""
     return ''.join(c if c.isalnum() else '_' for c in text)
 
   @staticmethod
   def test_properties():
@@ skipping 10 matching lines @@
     props['buildername'] = buildername
     if slavename:
       props['slavename'] = slavename
     test = (
         api.test('full_%s_%s' % (self.sanitize_non_alpha(mastername),
                                  self.sanitize_non_alpha(buildername))) +
         api.properties.generic(**props) +
         api.platform('win', 32)
     )
     return test