Minor cleanup of some recipe framework code.

scripts/slave/recipe_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.
 
 from .recipe_test_api import DisabledTestData, ModuleTestData
 
 from .recipe_util import ModuleInjectionSite
 
 
 class RecipeApi(ModuleInjectionSite):
   """
   Framework class for handling recipe_modules.
 
   Inherit from this in your recipe_modules/<name>/api.py . This class provides
   wiring for your config context (in self.c and methods, and for dependency
   injection (in self.m).
 
-  Dependency injection takes place in load_recipe_modules() below.
+  Dependency injection takes place in load_recipe_modules() in recipe_loader.py.
   """
   def __init__(self, module=None, test_data=DisabledTestData(), **_kwargs):
     """Note: Injected dependencies are NOT available in __init__()."""
     super(RecipeApi, self).__init__()
 
     self.c = None
     self._module = module
 
     assert isinstance(test_data, (ModuleTestData, DisabledTestData))
     self._test_data = test_data
@@ skipping 71 matching lines @@
       for dep in self._module.DEPS:
         getattr(self.m, dep).set_config(config_name, optional=True, **params)
 
   def apply_config(self, config_name, config_object=None):
     """Apply a named configuration to the provided config object or self."""
     self._module.CONFIG_CTX.CONFIG_ITEMS[config_name](config_object or self.c)
 
   @property
   def name(self):
     return self._module.NAME