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

scripts/slave/recipes/polymer.py

 # Copyright (c) 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.
 
 
 DEPS = [
   'gclient',
   'git',
   'path',
   'platform',
@@ skipping 80 matching lines @@
 
   yield api.step('test', test_prefix + ['grunt' + cmd_suffix,
                  'test-buildbot'], cwd=api.path.checkout(),
                  env=node_env, allow_subannotations=True)
 
 
 def GenTests(api):
   # Test paths and commands on each platform.
   for plat in ('mac', 'linux', 'win'):
     yield 'polymer-%s' % plat, {
-      'properties': api.properties_scheduled(
+      'properties': api.properties.scheduled(
           repository='https://github.com/Polymer/polymer',
           buildername='polymer %s' % plat),
       'mock': {
         'platform': {
             'name': plat
         }
       },
     }
   # Make sure the steps are right for deps-triggered jobs.
   yield 'polymer-from-platform', {
-    'properties': api.properties_scheduled(
+    'properties': api.properties.scheduled(
         repository='https://github.com/Polymer/platform',
         buildername='polymer linux',
         scheduler='polymer-platform')
   }