From c0c14cb09c5adee91dc73dc89b3d5dda71648b4f Mon Sep 17 00:00:00 2001
From: Frederic Junod <frederic.junod@camptocamp.com>
Date: Wed, 3 Sep 2014 12:44:54 +0200
Subject: [PATCH] Remove undefined from ol.Map#getLayers return type

It's already assumed that the collection is defined in ol.Map#addLayer
and ol.Map#removeLayer.
---
 src/ol/map.js | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/src/ol/map.js b/src/ol/map.js
index 8dfb3a678c..0f3dce3e9d 100644
--- a/src/ol/map.js
+++ b/src/ol/map.js
@@ -702,16 +702,12 @@ goog.exportProperty(
 
 /**
  * Get the collection of layers associated with this map.
- * @return {!ol.Collection.<ol.layer.Base>|undefined} Layers.
+ * @return {!ol.Collection.<ol.layer.Base>} Layers.
  * @api stable
  */
 ol.Map.prototype.getLayers = function() {
-  var layerGroup = this.getLayerGroup();
-  if (goog.isDef(layerGroup)) {
-    return layerGroup.getLayers();
-  } else {
-    return undefined;
-  }
+  var layers = this.getLayerGroup().getLayers();
+  return layers;
 };