Avoid use of goog.array.clone with arrays

src/ol/featureoverlay.js

@@ -78,7 +78,7 @@ ol.FeatureOverlay = function(opt_options) {
 
   if (goog.isDef(options.features)) {
     if (goog.isArray(options.features)) {
-      this.setFeatures(new ol.Collection(goog.array.clone(options.features)));
+      this.setFeatures(new ol.Collection(options.features.slice()));
     } else {
       goog.asserts.assertInstanceof(options.features, ol.Collection);
       this.setFeatures(options.features);

src/ol/format/featureformat.js

@@ -1,6 +1,5 @@
 goog.provide('ol.format.Feature');
 
-goog.require('goog.array');
 goog.require('ol.geom.Geometry');
 goog.require('ol.proj');
 
@@ -177,7 +176,7 @@ ol.format.Feature.transformWithOptions = function(
       // FIXME this is necessary because ol.format.GML treats extents
       // as geometries
       return ol.proj.transformExtent(
-          write ? goog.array.clone(geometry) : geometry,
+          write ? geometry.slice() : geometry,
           write ? featureProjection : dataProjection,
           write ? dataProjection : featureProjection);
     }

src/ol/layer/layergroup.js

@@ -58,7 +58,7 @@ ol.layer.Group = function(opt_options) {
 
   if (goog.isDefAndNotNull(layers)) {
     if (goog.isArray(layers)) {
-      layers = new ol.Collection(goog.array.clone(layers));
+      layers = new ol.Collection(layers.slice());
     } else {
       goog.asserts.assertInstanceof(layers, ol.Collection);
       layers = layers;

src/ol/map.js

@@ -1500,7 +1500,7 @@ ol.Map.createOptionsInternal = function(options) {
   var controls;
   if (goog.isDef(options.controls)) {
     if (goog.isArray(options.controls)) {
-      controls = new ol.Collection(goog.array.clone(options.controls));
+      controls = new ol.Collection(options.controls.slice());
     } else {
       goog.asserts.assertInstanceof(options.controls, ol.Collection);
       controls = options.controls;
@@ -1512,7 +1512,7 @@ ol.Map.createOptionsInternal = function(options) {
   var interactions;
   if (goog.isDef(options.interactions)) {
     if (goog.isArray(options.interactions)) {
-      interactions = new ol.Collection(goog.array.clone(options.interactions));
+      interactions = new ol.Collection(options.interactions.slice());
     } else {
       goog.asserts.assertInstanceof(options.interactions, ol.Collection);
       interactions = options.interactions;
@@ -1524,7 +1524,7 @@ ol.Map.createOptionsInternal = function(options) {
   var overlays;
   if (goog.isDef(options.overlays)) {
     if (goog.isArray(options.overlays)) {
-      overlays = new ol.Collection(goog.array.clone(options.overlays));
+      overlays = new ol.Collection(options.overlays.slice());
     } else {
       goog.asserts.assertInstanceof(options.overlays, ol.Collection);
       overlays = options.overlays;

src/ol/view.js

@@ -260,7 +260,7 @@ goog.exportProperty(
  * @return {Array.<number>} Hint.
  */
 ol.View.prototype.getHints = function() {
-  return goog.array.clone(this.hints_);
+  return this.hints_.slice();
 };