Layer renderers should not require a map renderer

src/ol/renderer/layerrenderer.js

@@ -21,21 +21,14 @@ goog.require('ol.vec.Mat4');
 /**
  * @constructor
  * @extends {ol.Observable}
- * @param {ol.renderer.Map} mapRenderer Map renderer.
  * @param {ol.layer.Layer} layer Layer.
  * @suppress {checkStructDictInheritance}
  * @struct
  */
-ol.renderer.Layer = function(mapRenderer, layer) {
+ol.renderer.Layer = function(layer) {
 
   goog.base(this);
 
-  /**
-   * @private
-   * @type {ol.renderer.Map}
-   */
-  this.mapRenderer_ = mapRenderer;
-
   /**
    * @private
    * @type {ol.layer.Layer}
@@ -101,15 +94,6 @@ ol.renderer.Layer.prototype.getLayer = function() {
 };
 
 
-/**
- * @protected
- * @return {ol.renderer.Map} Map renderer.
- */
-ol.renderer.Layer.prototype.getMapRenderer = function() {
-  return this.mapRenderer_;
-};
-
-
 /**
  * Handle changes in image state.
  * @param {goog.events.Event} event Image change event.