code: function() {
  			var element = this._.element.getFirst();
  			return { width: element.$.offsetWidth || 0, height: element.$.offsetHeight || 0 };
  		}
docs: Gets the current size of the dialog in pixels.
  
  var width = dialogObj.getSize().width;
  
  @returns {Object}
  @returns {Number} return.width
  @returns {Number} return.height