CefWaitForBrowsersToClose Method

Helper method to ensure all ChromiumWebBrowser instances have been closed/disposed, should be called before Cef.Shutdown. Disposes all remaining ChromiumWebBrowser instances then waits for CEF to release its remaining CefBrowser instances. Finally a small delay of 50ms to allow for CEF to finish it's cleanup. Should only be called when MultiThreadedMessageLoop = true; (Hasn't been tested when when CEF integrates into main message loop).

Helper method to ensure all ChromiumWebBrowser instances have been closed/disposed, should be called before Cef.Shutdown. Disposes all remaining ChromiumWebBrowser instances then waits for CEF to release its remaining CefBrowser instances. Finally a small delay of 50ms to allow for CEF to finish it's cleanup. Should only be called when MultiThreadedMessageLoop = true; (Hasn't been tested when when CEF integrates into main message loop).