From fe8fcfbc7e45e122365db03b2446ea54d1e25d54 Mon Sep 17 00:00:00 2001
From: Tim Schaub <tim.schaub@gmail.com>
Date: Wed, 18 Jul 2018 00:45:19 -0600
Subject: [PATCH] Call super in WebGL context

---
 src/ol/webgl/Context.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/ol/webgl/Context.js b/src/ol/webgl/Context.js
index d3cad9c99e..2dc1fe7a57 100644
--- a/src/ol/webgl/Context.js
+++ b/src/ol/webgl/Context.js
@@ -29,6 +29,7 @@ class WebGLContext extends Disposable {
    * @param {WebGLRenderingContext} gl GL.
    */
   constructor(canvas, gl) {
+    super();
 
     /**
      * @private