Add Safari to the list of browsers we test on a regular basis.

tools/testing/architecture.py

 # Copyright (c) 2011, 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.
 #
 
 import os
 import platform
 import re
 import shutil
 import subprocess
@@ skipping 454 matching lines @@
         component, test)
 
   def GetRunCommand(self, fatal_static_type_errors=False):
     """Returns a command line to execute for the test."""
     flags = self.vm_options
     browser_flag = 'chrome'
     if 'ff' in flags or 'firefox' in flags:
       browser_flag = 'ff'
     elif 'ie' in flags or 'explorer' in flags or 'internet-explorer' in flags:
       browser_flag = 'ie'
+    elif 'safari' in flags:
+      browser_flag = 'safari'
 
     selenium_location = os.path.join(self.root_path, 'tools', 'testing',
                                 'run_selenium.py')
     
     html_output_file = os.path.join(self.GetHtmlPath(), self.GetHtmlName())
     f = open(html_output_file, 'w')
     f.write(self.GetHtmlContents())
     f.close()
     return [selenium_location, '--out', html_output_file, '--browser', 
         browser_flag]
@@ skipping 109 matching lines @@
     return WebDriverArchitecture(root_path, arch, mode, component, test)
 
   elif component in ['vm', 'frog', 'frogsh']:
     return StandaloneArchitecture(root_path, arch, mode, component, test)
 
   elif component == 'leg':
     return LegArchitecture(root_path, arch, mode, component, test)
 
   elif component == 'dartc':
     return DartcArchitecture(root_path, arch, mode, component, test)