Two sets of Autofill tests....

chrome/test/pyautolib/pyauto.py

 #!/usr/bin/python
 
 # Copyright (c) 2011 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,
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              right key. It's useful to dump the preferences first to determine
              what type is expected for a particular preference path.
     """
     cmd_dict = {
       'command': 'SetPrefs',
       'path': path,
       'value': value,
     }
     self._GetResultFromJSONRequest(cmd_dict)
 
+  def SendWebkitKeyEvent(self, key_code, tab_index=0, windex=0):
+    """Send a webkit key event to the browser.
+
+    Used to simulate key presses from the keyboard to interact with the browser.
+
+    Args:
+      key_code: the hex value associated with the keypress (virtual key code).
+      tab_index: tab index to work on. Defaults to 0 (first tab)
+      windex: window index to work on. Defaults to 0 (first window)
+    """
+    cmd_dict = {
+      'command': 'SendWebkitKeyEvent',
+      'type': 0,  # kRawKeyDownType
+      'text': '',
+      'isSystemKey': False,
+      'unmodifiedText': '',
+      'nativeKeyCode': 0,
+      'windowsKeyCode': key_code,
+      'modifiers': 0,
+      'windex': windex,
+      'tab_index': tab_index,
+    }
+    # Sending two requests, one each for "key down" and "key up".
+    self._GetResultFromJSONRequest(cmd_dict)
+    cmd_dict['type'] = 3  # kKeyUpType
+    self._GetResultFromJSONRequest(cmd_dict)
+
   def WaitForAllDownloadsToComplete(self, windex=0):
     """Wait for all downloads to complete.
 
     Note: This method does not work for dangerous downloads. Use
     WaitForGivenDownloadsToComplete (below) instead.
     """
     cmd_dict = {'command': 'WaitForAllDownloadsToComplete'}
     self._GetResultFromJSONRequest(cmd_dict, windex=windex)
 
   def WaitForDownloadToComplete(self, download_path, timeout=-1):
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     if self._options.verbose:
       verbosity = 2
     result = PyAutoTextTestRuner(verbosity=verbosity).run(pyauto_suite)
     del loaded_tests  # Need to destroy test cases before the suite
     del pyauto_suite
     sys.exit(not result.wasSuccessful())
 
 
 if __name__ == '__main__':
   Main()