return;
}

/*
 * Optional features for CACKey
 */
var cackeyFeatures = {
	customPINPrompt: true
	customPINPrompt: true,
	useChromePINDialog: true
};

/*
 * Handle for the CACKey NaCl Target
 */
var cackeyHandle = null;
var cackeyPCSCHandle = null;

			/*
			 * Set the handle to an invalid (but non-null) value until the window
			 * is created in case we are invoked again soon.
			 */
			pinWindowPreviousHandle = "invalid";

			if (messageEvent.data.originalrequest.signRequestId === null) {
			if (messageEvent.data.originalrequest.signRequestId === null || cackeyFeatures.useChromePINDialog === false) {
				chrome.app.window.create("pin.html", {
					"id": "cackeyPINEntry",
					"resizable": false,
					"alwaysOnTop": true,
					"focused": true,
					"visibleOnAllWorkspaces": true,
					"innerBounds": {