Fix recipes for Gerrit property rename

infra/bots/recipes/swarm_test.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 module for Skia Swarming test.
 
 
 DEPS = [
   'build/file',
@@ skipping 659 matching lines @@
         api.path['slave_build'].join('skia', 'infra', 'bots', 'assets',
                                      'skp', 'VERSION'),
         api.path['slave_build'].join('skia', 'infra', 'bots', 'assets',
                                      'svg', 'VERSION'),
         api.path['slave_build'].join('tmp', 'uninteresting_hashes.txt')
     ) +
     api.platform('win', 64)
   )
 
   builder = 'Test-Ubuntu-GCC-GCE-CPU-AVX2-x86-Debug-Trybot'
-  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,
           mastername='client.skia',
           slavename='skiabot-linux-swarm-000',
           buildnumber=5,
           path_config='kitchen',
           swarm_out_dir='[SWARM_OUT_DIR]',
           revision='abc123',
-          **gerrit_kwargs)
+          patch_storage='gerrit') +
+      api.properties.tryserver(
+          buildername=builder,
+          gerrit_project='skia',
+          gerrit_url='https://skia-review.googlesource.com/',
+      )
   )
 
   yield (
       api.test('nobuildbot') +
       api.properties(
           buildername=builder,
           mastername='client.skia',
           slavename='skiabot-linux-swarm-000',
           buildnumber=5,
           path_config='kitchen',
           swarm_out_dir='[SWARM_OUT_DIR]',
           revision='abc123',
           nobuildbot='True',
-          **gerrit_kwargs) +
+          patch_storage='gerrit') +
+      api.properties.tryserver(
+          buildername=builder,
+          gerrit_project='skia',
+          gerrit_url='https://skia-review.googlesource.com/',
+      ) +
       api.step_data('get swarming bot id',
           stdout=api.raw_io.output('skia-bot-123')) +
       api.step_data('get swarming task id', stdout=api.raw_io.output('123456'))
   )