Remove remaining goog.isDefAndNotNull() calls

src/ol/source/tilewmssource.js

@@ -60,7 +60,7 @@ ol.source.TileWMS = function(opt_options) {
    * @private
    * @type {!Array.<string>}
    */
-  this.urls_ = goog.isDefAndNotNull(urls) ? urls : [];
+  this.urls_ = urls || [];
 
   /**
    * @private
@@ -348,7 +348,7 @@ ol.source.TileWMS.prototype.setUrl = function(url) {
  * @api stable
  */
 ol.source.TileWMS.prototype.setUrls = function(urls) {
-  this.urls_ = goog.isDefAndNotNull(urls) ? urls : [];
+  this.urls_ = urls || [];
   this.resetCoordKeyPrefix_();
   this.changed();
 };

src/ol/source/wmtssource.js

@@ -92,7 +92,7 @@ ol.source.WMTS = function(options) {
    * @private
    * @type {!Array.<string>}
    */
-  this.urls_ = goog.isDefAndNotNull(urls) ? urls : [];
+  this.urls_ = urls || [];
 
   // FIXME: should we guess this requestEncoding from options.url(s)
   //        structure? that would mean KVP only if a template is not provided.

src/ol/view.js

@@ -275,8 +275,7 @@ ol.View.prototype.getHints = function() {
  */
 ol.View.prototype.calculateExtent = function(size) {
   var center = this.getCenter();
-  goog.asserts.assert(goog.isDefAndNotNull(center),
-      'The view center is not defined');
+  goog.asserts.assert(center, 'The view center is not defined');
   var resolution = this.getResolution();
   goog.asserts.assert(resolution !== undefined,
       'The view resolution is not defined');
@@ -552,8 +551,7 @@ ol.View.prototype.centerOn = function(coordinate, size, position) {
  * @return {boolean} Is defined.
  */
 ol.View.prototype.isDef = function() {
-  return goog.isDefAndNotNull(this.getCenter()) &&
-      this.getResolution() !== undefined;
+  return !!this.getCenter() && this.getResolution() !== undefined;
 };
 
 

src/ol/xml.js

@@ -136,7 +136,7 @@ ol.xml.getLocalNameIE_ = function(node) {
     return localName;
   }
   var baseName = node.baseName;
-  goog.asserts.assert(goog.isDefAndNotNull(baseName),
+  goog.asserts.assert(baseName,
       'Failed to get localName/baseName of node %s', node);
   return baseName;
 };