Some changes to allow recipes and modules to live noncentrally

scripts/slave/recipe_modules/webrtc/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 infra.libs.infra_types import freeze
 from slave import recipe_api
-from slave.recipe_modules.webrtc import builders
+from . import builders
 
 
 class WebRTCApi(recipe_api.RecipeApi):
   def __init__(self, **kwargs):
     super(WebRTCApi, self).__init__(**kwargs)
     self._env = {}
 
   BUILDERS = builders.BUILDERS
   RECIPE_CONFIGS = builders.RECIPE_CONFIGS
 
@@ skipping 423 matching lines @@
   def clean_test_output(self):
     """Remove all test output in out/, since we have tests leaking files."""
     out_dir = self.m.path['checkout'].join('out')
     self.m.python('clean test output files',
                   script=self.resource('cleanup_files.py'),
                   args=[out_dir],
                   infra_step=True)
 
   def virtual_webcam_check(self):
     self.m.python('webcam_check', self.resource('ensure_webcam_is_running.py'))