Add new test for top extension adblock crash

functional/extensions.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.
 
 """
 This module is a simple qa tool that installs extensions and tests whether the
 browser crashes while visiting a list of urls.
 
 Usage: python extensions.py -v
@@ skipping 167 matching lines @@
     # Allow extension in incognito mode and verify.
     self.SetExtensionStateById(ext_id, enable=True, allow_in_incognito=True)
     extension = self._GetExtensionInfoById(self.GetExtensionsInfo(), ext_id)
     self.assertTrue(extension['allowed_in_incognito'])
 
     # Disallow extension in incognito mode and verify.
     self.SetExtensionStateById(ext_id, enable=True, allow_in_incognito=False)
     extension = self._GetExtensionInfoById(self.GetExtensionsInfo(), ext_id)
     self.assertFalse(extension['allowed_in_incognito'])
 
+  def testAdblockExtensionCrash(self):
+    """Test AdBlock extension successfully installed and enabled, and do not
+    cause browser crash.
+    """
+    crx_file_path = os.path.abspath(
+        os.path.join(self.DataDir(), 'extensions', 'adblock.crx'))
+    ext_id = self.InstallExtension(crx_file_path, False);
+    self.assertTrue(ext_id, msg='Failed to install extension.')
+    
+    self.RestartBrowser(clear_profile=False)
+    extension = self._GetExtensionInfoById(self.GetExtensionsInfo(), ext_id)
+    self.assertTrue(extension['is_enabled'])
+    self.assertFalse(extension['allowed_in_incognito'])
+
 
 if __name__ == '__main__':
   pyauto_functional.Main()