Some changes to allow recipes and modules to live noncentrally

scripts/slave/unittests/recipe_lint.py

 #!/usr/bin/env python
 # Copyright 2015 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.
 
 """Tests that recipes are on their best behavior.
 
 Checks that recipes only import modules from a whitelist.  Imports are
 generally not safe in recipes if they depend on the platform, since
 e.g. you can run a recipe simulation for a Windows recipe on Linux.
@@ skipping 27 matching lines @@
 class TestFailure(Exception):
   pass
 
 
 def ImportsTest(recipe_path, recipe_name):
   """Tests that recipe_name only uses allowed imports.
 
   Returns a list of errors, or an empty list if there are no errors (duh).
   """
 
-  recipe = recipe_loader.load_recipe(recipe_name)
+  loader = recipe_loader.ModuleLoader()
+  recipe = recipe_loader.load_recipe(recipe_name, loader)
   for attr in dir(recipe):
     val = getattr(recipe, attr)
     if isinstance(val, types.ModuleType):
       module_name = val.__name__
       for pattern in MODULES_WHITELIST:
         if pattern.match(val.__name__):
           break
       else:
         yield ('In %s:\n'
                '  Non-whitelisted import of %s' %
                (recipe_path, module_name))
 
 
 def MainTest():
   errors = []
   for recipe_path, recipe_name in recipe_loader.loop_over_recipes():
     errors.extend(ImportsTest(recipe_path, recipe_name))
 
   if errors:
     raise TestFailure('\n'.join(map(str, errors)))
 
 
 if __name__ == '__main__':
   MainTest()