Add ol.renderer.Map#forEachFeatureAtPixel

src/ol/renderer/maprenderer.js

@@ -78,6 +78,18 @@ ol.renderer.Map.prototype.disposeInternal = function() {
 };
 
 
+/**
+ * @param {ol.Pixel} pixel Pixel.
+ * @param {function(ol.Feature)} callback Feature callback.
+ */
+ol.renderer.Map.prototype.forEachFeatureAtPixel =
+    function(pixel, callback) {
+  goog.object.forEach(this.layerRenderers_, function(layerRenderer) {
+    layerRenderer.forEachFeatureAtPixel(pixel, callback);
+  });
+};
+
+
 /**
  * @param {ol.layer.Layer} layer Layer.
  * @protected