fix linter errors

src/ol/base/maprenderer.js

@@ -2,13 +2,15 @@
 
 goog.provide('ol.MapRenderer');
 
-goog.require('goog.events');
 goog.require('goog.Disposable');
+goog.require('goog.events');
 goog.require('goog.fx.anim');
 goog.require('goog.fx.anim.Animated');
 goog.require('ol.Map');
 goog.require('ol.MapProperty');
 
+
+
 /**
  * @constructor
  * @extends {goog.Disposable}
@@ -122,7 +124,7 @@ ol.MapRenderer.prototype.forEachReadyVisibleLayer = function(f, opt_obj) {
 
 
 /**
- * @return {ol.Map}
+ * @return {ol.Map} Map.
  */
 ol.MapRenderer.prototype.getMap = function() {
   return this.map;
@@ -341,6 +343,7 @@ ol.MapRenderer.prototype.unfreezeRendering = function() {
 };
 
 
+
 /**
  * @constructor
  * @implements {goog.fx.anim.Animated}

src/ol/webgl/maprenderer.js

@@ -620,7 +620,8 @@ ol.webgl.MapRenderer.prototype.removeLayerRenderer = function(layer) {
 /**
  * @inheritDoc
  */
-ol.webgl.MapRenderer.prototype.setLayerRenderer = function(layer, layerRenderer) {
+ol.webgl.MapRenderer.prototype.setLayerRenderer = function(
+    layer, layerRenderer) {
   goog.base(this, 'setLayerRenderer', layer, layerRenderer);
   var layerKey = goog.getUid(layer);
   this.layerRendererChangeListenKeys_[layerKey] = goog.events.listen(