Assign a callback function to be notified whenever a page requests
authentication from the user (ex, Basic HTTP Auth, NTLM Auth, etc.).
See awe_webview_login and awe_webview_cancel_login
@param webview The WebView instance
@param callback A function pointer to the callback.
Assign a callback function to be notified whenever a page requests authentication from the user (ex, Basic HTTP Auth, NTLM Auth, etc.). See awe_webview_login and awe_webview_cancel_login
@param webview The WebView instance
@param callback A function pointer to the callback.