Fix recipes for Gerrit property rename

infra/bots/recipes/upload_dm_results.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.
 
 
 # Recipe for uploading DM results.
 
 
 DEPS = [
   'build/file',
@@ skipping 70 matching lines @@
       str(now.hour ).zfill(2),
       revision,
       builder_name,
       str(int(calendar.timegm(now.utctimetuple())))])
 
   # Trybot results are further siloed by issue/patchset.
   issue = str(api.properties.get('issue', ''))
   patchset = str(api.properties.get('patchset', ''))
   if (api.properties.get('patch_storage', '') == 'gerrit' and
       api.properties.get('nobuildbot', '') != 'True'):
-    issue = str(api.properties['event.change.number'])
-    patchset = str(api.properties['event.patchSet.ref']).split('/')[-1]
+    issue = str(api.properties['patch_issue'])
+    patchset = str(api.properties['patch_ref']).split('/')[-1]
   if issue and patchset:
     summary_dest_path = '/'.join((
         'trybot', summary_dest_path, issue, patchset))
 
   summary_dest_path = '/'.join((GS_BUCKET, summary_dest_path))
 
   cp(api, 'JSON and logs', tmp_dir.join('*'), summary_dest_path,
      ['-z', 'json,log'])
 
 
@@ skipping 29 matching lines @@
   builder = 'Test-Ubuntu-GCC-GCE-CPU-AVX2-x86_64-Debug-Trybot'
   yield (
     api.test('trybot') +
     api.properties(buildername=builder,
                    revision='abc123',
                    path_config='kitchen',
                    issue='12345',
                    patchset='1002')
   )
 
-  gerrit_kwargs = {
-    'patch_storage': 'gerrit',
-    'repository': 'skia',
-    'event.patchSet.ref': 'refs/changes/00/2100/2',
-    'event.change.number': '2100',
-  }
   yield (
       api.test('recipe_with_gerrit_patch') +
       api.properties(
           buildername=builder,
           revision='abc123',
           path_config='kitchen',
-          **gerrit_kwargs)
+          patch_storage='gerrit') +
+      api.properties.tryserver(
+          buildername=builder,
+          gerrit_project='skia',
+          gerrit_url='https://skia-review.googlesource.com/',
+      )
   )