Don't use goog.isBoolean()

src/ol/deviceorientation.js

@@ -116,7 +116,7 @@ ol.DeviceOrientation.prototype.orientationChange_ = function(originalEvent) {
     var alpha = ol.math.toRadians(event.alpha);
     this.set(ol.DeviceOrientationProperty.ALPHA, alpha);
     // event.absolute is undefined in iOS.
-    if (goog.isBoolean(event.absolute) && event.absolute) {
+    if (typeof event.absolute === 'boolean' && event.absolute) {
       this.set(ol.DeviceOrientationProperty.HEADING, alpha);
     } else if (goog.isNumber(event.webkitCompassHeading) &&
                event.webkitCompassAccuracy != -1) {

src/ol/map.js

@@ -1502,7 +1502,7 @@ ol.Map.createOptionsInternal = function(options) {
 
   var logos = {};
   if (options.logo === undefined ||
-      (goog.isBoolean(options.logo) && options.logo)) {
+      (typeof options.logo === 'boolean' && options.logo)) {
     logos[ol.OL3_LOGO_URL] = ol.OL3_URL;
   } else {
     var logo = options.logo;

src/ol/render/canvas/canvasreplay.js

@@ -392,10 +392,10 @@ ol.render.canvas.Replay.prototype.replay_ = function(
         goog.asserts.assert(goog.isNumber(instruction[7]),
             '8th instruction should be a number');
         scale = /** @type {number} */ (instruction[7]) * pixelRatio;
-        goog.asserts.assert(goog.isBoolean(instruction[8]),
+        goog.asserts.assert(typeof instruction[8] === 'boolean',
             '9th instruction should be a boolean');
         fill = /** @type {boolean} */ (instruction[8]);
-        goog.asserts.assert(goog.isBoolean(instruction[9]),
+        goog.asserts.assert(typeof instruction[9] === 'boolean',
             '10th instruction should be a boolean');
         stroke = /** @type {boolean} */ (instruction[9]);
         for (; d < dd; d += 2) {