Add iOS try bots using the new iOS try bot recipe

scripts/slave/recipes/ios/try.py

 # Copyright 2015 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 = [
   'ios',
   'platform',
   'properties',
 ]
 
 def GenSteps(api):
   api.ios.host_info()
   api.ios.checkout()
-
-  # A try bot gets its config by reading a build config file as if it were
-  # running on the main waterfall. This ensures try bots always match the
-  # main waterfall config.
-  api.ios.read_build_config(master_name='chromium.mac')

[smut, 2015/02/20 19:42:10]

I had to take this forced main waterfall matching out because we want upstream
main and try to differ. We ultimately want just ninja bots on the CQ (see bug).

[lliabraa, 2015/02/20 20:29:25]

Acknowledged.

+  api.ios.read_build_config()
   api.ios.build()
   api.ios.test()
 
 def GenTests(api):
   yield (
     api.test('basic')
     + api.platform('mac', 64)
     + api.properties(patch_url='patch url')
     + api.properties(
       buildername='ios',
@@ skipping 50 matching lines @@
       'xcode version': 'fake xcode version',
       'GYP_DEFINES': {
         'fake gyp define 1': 'fake value 1',
         'fake gyp define 2': 'fake value 2',
       },
       'compiler': 'xcodebuild',
       'configuration': 'Debug',
       'sdk': 'iphonesimulator8.0',
     })
   )