Refactor the way that TestApi works so that it is actually useful.

scripts/slave/recipe_modules/chromium/config.py

Index: scripts/slave/recipe_modules/chromium/config.py
diff --git a/scripts/slave/recipe_modules/chromium/config.py b/scripts/slave/recipe_modules/chromium/config.py
index a3c165283471abc3f746c8cab9eaec96e97eb456..656bc133357ba9a7a6079a32f622f6ff9cb07eb8 100644
--- a/scripts/slave/recipe_modules/chromium/config.py
+++ b/scripts/slave/recipe_modules/chromium/config.py
@@ -2,9 +2,9 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-from slave.recipe_configs_util import config_item_context, ConfigGroup
-from slave.recipe_configs_util import DictConfig, SimpleConfig, StaticConfig
-from slave.recipe_configs_util import SetConfig, BadConf
+from slave.recipe_config import config_item_context, ConfigGroup
+from slave.recipe_config import DictConfig, SimpleConfig, StaticConfig
+from slave.recipe_config import SetConfig, BadConf
 
 # 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.