Remove MapQuest source

examples/arcgis-image.js

@@ -2,7 +2,7 @@ goog.require('ol.Map');
 goog.require('ol.View');
 goog.require('ol.layer.Tile');
 goog.require('ol.layer.Image');
-goog.require('ol.source.MapQuest');
+goog.require('ol.source.OSM');
 goog.require('ol.source.ImageArcGISRest');
 
 var url = 'http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/' +
@@ -10,10 +10,11 @@ var url = 'http://sampleserver1.arcgisonline.com/ArcGIS/rest/services/' +
 
 var layers = [
   new ol.layer.Tile({
-    source: new ol.source.MapQuest({layer: 'sat'})
+    source: new ol.source.OSM()
   }),
   new ol.layer.Image({
     source: new ol.source.ImageArcGISRest({
+      ratio: 1,
       params: {},
       url: url
     })