From 693ec7706ef645aae0cc3747339af848e35d6f7a Mon Sep 17 00:00:00 2001
From: Tim Schaub <tim.schaub@gmail.com>
Date: Sat, 7 Feb 2015 16:30:28 -0700
Subject: [PATCH] createLayerRenderer must be implemented by subclass

---
 src/ol/renderer/maprenderer.js | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/src/ol/renderer/maprenderer.js b/src/ol/renderer/maprenderer.js
index 5397f6a470..5fa707a00b 100644
--- a/src/ol/renderer/maprenderer.js
+++ b/src/ol/renderer/maprenderer.js
@@ -84,9 +84,7 @@ ol.renderer.Map.prototype.calculateMatrices2D = function(frameState) {
  * @protected
  * @return {ol.renderer.Layer} layerRenderer Layer renderer.
  */
-ol.renderer.Map.prototype.createLayerRenderer = function(layer) {
-  return new ol.renderer.Layer(this, layer);
-};
+ol.renderer.Map.prototype.createLayerRenderer = goog.abstractMethod;
 
 
 /**