Fix syntax errors.

dart/tools/testing/run_selenium.py

 #!/usr/bin/python
 
 # 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.
 #
 
 """Script to actually open a browser and perform the test, and reports back with
 the result. It uses Selenium WebDriver when possible for running the tests. It
 uses Selenium RC for Safari.
@@ skipping 301 matching lines @@
         print '>>> TEST PASS'
       elif source == TIMEOUT_ERROR_MSG:
         print '>>> TEST TIMEOUT'
       else:
         print '>>> TEST FAIL'
       sys.stdout.flush()
   finally:
     sys.stdin.close()
     print("Closing browser");
 
-    def close_output_streams:
+    def close_output_streams():
       sys.stdout.flush()
       sys.stdout.close()
       sys.stderr.flush()
       sys.stderr.close()
 
-    def close_and_exit:
+    def close_and_exit():
       print("Timed out waiting for browser to close")
       close_output_streams()
       exit(1)
 
     timer = threading.Timer(5.0, close_and_exit)
     timer.start()
     try:
       close_browser(browser)
       timer.cancel()
     finally:
@@ skipping 10 matching lines @@
   browser = start_browser(browser_name, executable_path, html_out)
 
   try:
     output = run_test_in_browser(browser, html_out, timeout, mode)
     return report_results(mode, output, browser)
   finally:
     close_browser(browser)
 
 if __name__ == "__main__":
   sys.exit(main(sys.argv))