Add support for mobile safari simulator in the dart2js annotated steps

tools/bots/compiler.py

 #!/usr/bin/python
 
 # Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 # for details. All rights reserved. Use of this source code is governed by a
 # BSD-style license that can be found in the LICENSE file.
 
 """
 Dart2js buildbot steps
 
 Runs tests for the  dart2js compiler.
 """
 
 import os
 import platform
 import re
 import shutil
 import socket
 import subprocess
 import sys
 
 import bot
 
 DARTIUM_BUILDER = r'none-dartium-(linux|mac|windows)'
 DART2JS_BUILDER = (
     r'dart2js-(linux|mac|windows)(-(jsshell))?-(debug|release)(-(checked|host-checked))?(-(host-checked))?(-(minified))?(-(x64))?-?(\d*)-?(\d*)')
 DART2JS_FULL_BUILDER = r'dart2js-full-(linux|mac|windows)(-checked)?(-minified)?-(\d+)-(\d+)'
 WEB_BUILDER = (
-    r'dart2js-(ie9|ie10|ie11|ff|safari|chrome|chromeOnAndroid|opera|drt)-(win7|win8|mac10\.8|mac10\.7|linux)(-(all|html))?(-(csp))?(-(\d+)-(\d+))?')
+    r'dart2js-(ie9|ie10|ie11|ff|safari|chrome|chromeOnAndroid|safarimobilesim|opera|drt)-(win7|win8|mac10\.8|mac10\.7|linux)(-(all|html))?(-(csp))?(-(\d+)-(\d+))?')
 
 DART2JS_FULL_CONFIGURATIONS = {
   'linux' : [ ],
   'mac' : [ ],
   'windows' : [
     {'runtime' : 'ie9'},
     {'runtime' : 'ie9', 'additional_flags' : ['--checked']},
     {'runtime' : 'ff'},
     {'runtime' : 'chrome'},
   ],
@@ skipping 332 matching lines @@
   """
   with bot.BuildStep('Build SDK'):
     args = [sys.executable, './tools/build.py', '--mode=' + build_info.mode,
             '--arch=' + build_info.arch, 'dart2js_bot']
     print 'Build SDK and d8: %s' % (' '.join(args))
     bot.RunProcess(args)
 
 
 if __name__ == '__main__':
   bot.RunBot(GetBuildInfo, RunCompilerTests, build_step=BuildCompiler)