Process[] procsChrome = Process.GetProcessesByName("chrome");
foreach(Process chrome in procsChrome)
{
   if(chrome.MainWindowHandle == IntPtr.Zero)
   {
    continue;
   }
   AutomationElement mainWindow = AutomationElement.FromHandle(chrome.MainWindowHandle);
   elmUrlBar = mainWindow.FindFirst(TreeScope.Descendants,  new PropertyCondition(AutomationElement.ControlTypeProperty, ControlType.Edit));

  //elmUrlBar on some computers inited, on some NULL. But versions of Chrome are identical.
...
}