[TIMOB-8041] MobileWeb : TextField - The maxLength property of textField is not being enforced

var _window = Titanium.UI.createWindow({
			title : 'test',
			backgroundColor : 'white'
		});

var tf = Ti.UI.createTextField({
			value : 'SAMPLE',
			maxLength : 20,
			top : 20,
			left : 20,
			width : 300,
			height : 60,
			borderStyle : Ti.UI.INPUT_BORDERSTYLE_ROUNDED
		});
		_window.add(tf);

		var b = Ti.UI.createButton({
			title : 'Increase maxLength',
			width : 200,
			height : 40,
			bottom : 60
		});
		b.addEventListener('click', function(e) {
			tf.maxLength += 5;
			Ti.API.info('maxLength: ' + tf.maxLength);
		});
		_window.add(b);

		var b2 = Ti.UI.createButton({
			title : 'Unlimited length',
			width : 200,
			height : 40,
			bottom : 120
		});
		b2.addEventListener('click', function(e) {
			tf.maxLength = -1;
		});
		_window.add(b2);
_window.open();