From 5daf7419222f26d67f2ce7a1b9a503a8b3e5bc32 Mon Sep 17 00:00:00 2001
From: Marc Jansen <jansen@terrestris.de>
Date: Tue, 29 Sep 2015 15:28:09 +0200
Subject: [PATCH] Remove goog.isNull in tilecoord class

---
 src/ol/tilecoord.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/ol/tilecoord.js b/src/ol/tilecoord.js
index ca0db11bfc..52a216fa32 100644
--- a/src/ol/tilecoord.js
+++ b/src/ol/tilecoord.js
@@ -148,12 +148,12 @@ ol.tilecoord.withinExtentAndZ = function(tileCoord, tileGrid) {
   }
   var extent = tileGrid.getExtent();
   var tileRange;
-  if (goog.isNull(extent)) {
+  if (!extent) {
     tileRange = tileGrid.getFullTileRange(z);
   } else {
     tileRange = tileGrid.getTileRangeForExtentAndZ(extent, z);
   }
-  if (goog.isNull(tileRange)) {
+  if (!tileRange) {
     return true;
   } else {
     return tileRange.containsXY(x, y);