Remove use of goog.isString()

src/ol/control/attributioncontrol.js

@@ -74,7 +74,7 @@ ol.control.Attribution = function(opt_options) {
    * @private
    * @type {Node}
    */
-  this.collapseLabel_ = goog.isString(collapseLabel) ?
+  this.collapseLabel_ = typeof collapseLabel === 'string' ?
       goog.dom.createDom('SPAN', {}, collapseLabel) :
       collapseLabel;
 
@@ -84,7 +84,7 @@ ol.control.Attribution = function(opt_options) {
    * @private
    * @type {Node}
    */
-  this.label_ = goog.isString(label) ?
+  this.label_ = typeof label === 'string' ?
       goog.dom.createDom('SPAN', {}, label) :
       label;
 

src/ol/control/fullscreencontrol.js

@@ -45,7 +45,7 @@ ol.control.FullScreen = function(opt_options) {
    * @private
    * @type {Node}
    */
-  this.labelNode_ = goog.isString(label) ?
+  this.labelNode_ = typeof label === 'string' ?
       document.createTextNode(label) : label;
 
   var labelActive = options.labelActive ? options.labelActive : '\u00d7';
@@ -54,7 +54,7 @@ ol.control.FullScreen = function(opt_options) {
    * @private
    * @type {Node}
    */
-  this.labelActiveNode_ = goog.isString(labelActive) ?
+  this.labelActiveNode_ = typeof labelActive === 'string' ?
       document.createTextNode(labelActive) : labelActive;
 
   var tipLabel = options.tipLabel ? options.tipLabel : 'Toggle full-screen';

src/ol/control/overviewmapcontrol.js

@@ -62,7 +62,7 @@ ol.control.OverviewMap = function(opt_options) {
    * @private
    * @type {Node}
    */
-  this.collapseLabel_ = goog.isString(collapseLabel) ?
+  this.collapseLabel_ = typeof collapseLabel === 'string' ?
       goog.dom.createDom('SPAN', {}, collapseLabel) :
       collapseLabel;
 
@@ -72,7 +72,7 @@ ol.control.OverviewMap = function(opt_options) {
    * @private
    * @type {Node}
    */
-  this.label_ = goog.isString(label) ?
+  this.label_ = typeof label === 'string' ?
       goog.dom.createDom('SPAN', {}, label) :
       label;
 

src/ol/control/rotatecontrol.js

@@ -36,7 +36,7 @@ ol.control.Rotate = function(opt_options) {
    */
   this.label_ = null;
 
-  if (goog.isString(label)) {
+  if (typeof label === 'string') {
     this.label_ = goog.dom.createDom('SPAN',
         'ol-compass', label);
   } else {