Fix a bug in pyauto.py where JavascriptRuntimeError is raised but not imported.

chrome/test/pyautolib/pyauto.py

 #!/usr/bin/env python
 # Copyright (c) 2012 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.
 
 """PyAuto: Python Interface to Chromium's Automation Proxy.
 
 PyAuto uses swig to expose Automation Proxy interfaces to Python.
 For complete documentation on the functionality available,
 run pydoc on this file.
@@ skipping 66 matching lines @@
     print  >>sys.stderr, '*\n* Perhaps use "python2.5", not "python" ?\n*'
   raise
 
 # Should go after sys.path is set appropriately
 import bookmark_model
 import download_info
 import history_info
 import omnibox_info
 import plugins_info
 import prefs_info
+from pyauto_errors import JavascriptRuntimeError
 from pyauto_errors import JSONInterfaceError
 from pyauto_errors import NTPThumbnailNotShownError
 import pyauto_utils
 import simplejson as json  # found in third_party
 
 _CHROME_DRIVER_FACTORY = None
 _HTTP_SERVER = None
 _REMOTE_PROXY = None
 _OPTIONS = None
 _BROWSER_PID = None
@@ skipping 3604 matching lines @@
       js = ('(' + f.read() + ')(%d, %d, "%s", "%s", "%s", %s);' %
             (automation_id, observer_id, mutation_type,
              xpath.replace('"', r'\"'), attribute, expected_string))
     exec_js = exec_js or PyUITest.ExecuteJavascript
     try:
       jsreturn = exec_js(self, js, **kwargs)
     except JSONInterfaceError:
       raise JSONInterfaceError('Failed to inject DOM mutation observer.')
     if jsreturn != 'success':
       self.RemoveEventObserver(observer_id)
-      raise pyauto_errors.JavascriptRuntimeError(jsreturn)
+      raise JavascriptRuntimeError(jsreturn)
     return observer_id
 
   def WaitForDomNode(self, xpath, attribute='textContent',
                      expected_value=None, exec_js=None, timeout=-1,
                      msg='Expected DOM node failed to appear.', **kwargs):
     """Waits until a node specified by an xpath exists in the DOM.
 
     NOTE: This does NOT poll. It returns as soon as the node appears, or
       immediately if the node already exists.
 
@@ skipping 2937 matching lines @@
     successful = result.wasSuccessful()
     if not successful:
       pyauto_tests_file = os.path.join(self.TestsDir(), self._tests_filename)
       print >>sys.stderr, 'Tests can be disabled by editing %s. ' \
                           'Ref: %s' % (pyauto_tests_file, _PYAUTO_DOC_URL)
     sys.exit(not successful)
 
 
 if __name__ == '__main__':
   Main()