Add fullscreen API support to IE11

externs/closure-compiler.js

@@ -36,3 +36,19 @@ DeviceOrientationEvent.prototype.webkitCompassAccuracy;
 
 /** @type {?number} */
 DeviceOrientationEvent.prototype.webkitCompassHeading;
+
+
+// IE 11 fullscreen API
+// http://msdn.microsoft.com/en-us/library/ie/dn265028(v=vs.85).aspx
+
+/** @return {void} */
+Element.prototype.msRequestFullscreen = function() {};
+
+/** @return {void} */
+Element.prototype.msExitFullscreen = function() {};
+
+/** @type {boolean} */
+Document.prototype.msFullscreenEnabled;
+
+/** @type {Element} */
+Document.prototype.msFullscreenElement;