Switch to downloaded SDK executable, drop executables in testing/bin.

tools/dom/dom.py

 #!/usr/bin/python
 
 # Copyright (c) 2013, 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.
 
 # A script which makes it easy to execute common DOM-related tasks
 
 import os
 import subprocess
@@ skipping 130 matching lines @@
 def test_server():
   start_test_server(5400, os.path.join('out', 'ReleaseX64'))
 
 def test_server_dartium():
   start_test_server(5500, os.path.join('..', 'out', 'Release'))
 
 def start_test_server(port, build_directory):
   print('Browse tests at '
       '\033[94mhttp://localhost:%d/root_build/generated_tests/\033[0m' % port)
   return call([
-    utils.DartBinary(),
+    utils.CheckedInSdkExecutable(),
     os.path.join('tools', 'testing', 'dart', 'http_server.dart'),
     '--port=%d' % port,
     '--crossOriginPort=%d' % (port + 1),
     '--network=0.0.0.0',
     '--build-directory=%s' % build_directory
   ])
 
 
 def call(args):
   print ' '.join(args)
@@ skipping 43 matching lines @@
       help();
       success = False
       break
     returncode = commands[command][0]()
     success = success and not bool(returncode)
 
   sys.exit(not success)
 
 if __name__ == '__main__':
   main()