Move recipe engine to third_party/recipe_engine.

scripts/slave/recipe_modules/chromium/config.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 pipes
 
-from slave.recipe_config import config_item_context, ConfigGroup
-from slave.recipe_config import Dict, List, Single, Static, Set, BadConf
-from slave.recipe_config_types import Path
+from recipe_engine.config import config_item_context, ConfigGroup
+from recipe_engine.config import Dict, List, Single, Static, Set, BadConf
+from recipe_engine.config_types import Path
 
 # Because of the way that we use decorators, pylint can't figure out the proper
 # type signature of functions annotated with the @config_ctx decorator.
 # pylint: disable=E1123
 
 HOST_PLATFORMS = ('linux', 'win', 'mac')
 TARGET_PLATFORMS = HOST_PLATFORMS + ('ios', 'android', 'chromeos')
 HOST_TARGET_BITS = (32, 64)
 HOST_ARCHS = ('intel',)
 TARGET_ARCHS = HOST_ARCHS + ('arm', 'mips', 'mipsel')
@@ skipping 810 matching lines @@
 def chromium_deterministic_build(c):
   c.gyp_env.GYP_DEFINES['dont_embed_build_metadata'] = 1
 
 @config_ctx()
 def chromium_mac_sdk_10_10(c):
   c.gyp_env.GYP_DEFINES['mac_sdk_min='] = '10.10'
 
 @config_ctx(includes=['chromium_clang'])
 def cast_linux(c):
   c.gyp_env.GYP_DEFINES['chromecast'] = 1