Fix recipes for Gerrit property rename

infra/bots/recipe_modules/vars/api.py

 # Copyright 2016 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.
 
 
 # pylint: disable=W0201
 
 
 from recipe_engine import recipe_api
 
@@ skipping 102 matching lines @@
     self.patch_storage = self.m.properties.get('patch_storage', 'rietveld')
     self.issue = None
     self.patchset = None
     if self.no_buildbot:
       self.is_trybot = False
       if (self.m.properties.get('issue', '') and
           self.m.properties.get('patchset', '')):
         self.is_trybot = True
         self.issue = self.m.properties['issue']
         self.patchset = self.m.properties['patchset']
-      elif (self.m.properties.get('event.change.number', '') and
-            self.m.properties.get('event.patchSet.ref', '')):
+      elif (self.m.properties.get('patch_issue', '') and
+            self.m.properties.get('patch_ref', '')):
         self.is_trybot = True
-        self.issue = self.m.properties['event.change.number']
-        self.patchset = self.m.properties['event.patchSet.ref'].split('/')[-1]
+        self.issue = self.m.properties['patch_issue']
+        self.patchset = self.m.properties['patch_ref'].split('/')[-1]
     else:
       self.is_trybot = self.builder_cfg['is_trybot']
       if self.is_trybot:
         if self.patch_storage == 'gerrit':
-          self.issue = self.m.properties['event.change.number']
-          self.patchset = self.m.properties['event.patchSet.ref'].split('/')[-1]
+          self.issue = self.m.properties['patch_issue']
+          self.patchset = self.m.properties['patch_ref'].split('/')[-1]
         else:
           self.issue = self.m.properties['issue']
           self.patchset = self.m.properties['patchset']
 
     self.dm_dir = self.m.path.join(
         self.swarming_out_dir, 'dm')
     self.perf_data_dir = self.m.path.join(self.swarming_out_dir,
         'perfdata', self.builder_name, 'data')
     self._swarming_bot_id = None
     self._swarming_task_id = None
@@ skipping 51 matching lines @@
   def swarming_task_id(self):
     if not self._swarming_task_id:
       self._swarming_task_id = self.m.python.inline(
           name='get swarming task id',
           program='''import os
 print os.environ.get('SWARMING_TASK_ID', '')
 ''',
           stdout=self.m.raw_io.output()).stdout.rstrip()
     return self._swarming_task_id