From 02ede1eafafd121a417ae20e1c461440f55df074 Mon Sep 17 00:00:00 2001
From: Frederic Junod <frederic.junod@camptocamp.com>
Date: Tue, 22 Jul 2014 17:49:26 +0200
Subject: [PATCH] Dispose the tiles removed from the cache

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

diff --git a/src/ol/tilecache.js b/src/ol/tilecache.js
index 4bcc58138a..8693f2f2a3 100644
--- a/src/ol/tilecache.js
+++ b/src/ol/tilecache.js
@@ -48,7 +48,7 @@ ol.TileCache.prototype.expireCache = function(usedTiles) {
     if (zKey in usedTiles && usedTiles[zKey].contains(tile.tileCoord)) {
       break;
     } else {
-      this.pop();
+      this.pop().dispose();
     }
   }
 };
@@ -64,7 +64,7 @@ ol.TileCache.prototype.pruneTileRange = function(tileRange) {
   while (i--) {
     key = this.peekLastKey();
     if (tileRange.contains(ol.TileCoord.createFromString(key))) {
-      this.pop();
+      this.pop().dispose();
     } else {
       this.get(key);
     }