Rename user limits api by user limits backend

lib/cartodb/api/template/named-template-controller.js

@@ -27,7 +27,7 @@ const { RATE_LIMIT_ENDPOINTS_GROUPS } = rateLimit;
  * @param {MapBackend} mapBackend
  * @param metadataBackend
  * @param {SurrogateKeysCache} surrogateKeysCache
- * @param {UserLimitsApi} userLimitsApi
+ * @param {UserLimitsBackend} userLimitsBackend
  * @param {LayergroupAffectedTables} layergroupAffectedTables
  * @param {MapConfigAdapter} mapConfigAdapter
  * @param {StatsBackend} statsBackend
@@ -39,7 +39,7 @@ function NamedMapController (
     mapBackend,
     metadataBackend,
     surrogateKeysCache,
-    userLimitsApi,
+    userLimitsBackend,
     layergroupAffectedTables,
     mapConfigAdapter,
     statsBackend,
@@ -51,7 +51,7 @@ function NamedMapController (
     this.mapBackend = mapBackend;
     this.metadataBackend = metadataBackend;
     this.surrogateKeysCache = surrogateKeysCache;
-    this.userLimitsApi = userLimitsApi;
+    this.userLimitsBackend = userLimitsBackend;
     this.layergroupAffectedTables = layergroupAffectedTables;
     this.mapConfigAdapter = mapConfigAdapter;
     this.statsBackend = statsBackend;
@@ -84,7 +84,7 @@ NamedMapController.prototype.composeInstantiateTemplateMiddleware = function ()
         credentials(),
         authorize(this.authBackend),
         dbConnSetup(this.pgConnection),
-        rateLimit(this.userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.NAMED),
+        rateLimit(this.userLimitsBackend, RATE_LIMIT_ENDPOINTS_GROUPS.NAMED),
         cleanUpQueryParams(['aggregation']),
         initProfiler(isTemplateInstantiation),
         checkJsonContentType(),
@@ -93,13 +93,13 @@ NamedMapController.prototype.composeInstantiateTemplateMiddleware = function ()
             this.templateMaps,
             this.pgConnection,
             this.metadataBackend,
-            this.userLimitsApi,
+            this.userLimitsBackend,
             this.mapConfigAdapter,
             this.layergroupAffectedTables
         ),
         instantiateLayergroup(
             this.mapBackend,
-            this.userLimitsApi,
+            this.userLimitsBackend,
             this.pgConnection,
             this.layergroupAffectedTables
         ),
@@ -145,7 +145,7 @@ function getTemplate (
     templateMaps,
     pgConnection,
     metadataBackend,
-    userLimitsApi,
+    userLimitsBackend,
     mapConfigAdapter,
     affectedTablesCache
 ) {
@@ -161,7 +161,7 @@ function getTemplate (
             templateMaps,
             pgConnection,
             metadataBackend,
-            userLimitsApi,
+            userLimitsBackend,
             mapConfigAdapter,
             affectedTablesCache,
             user,
@@ -186,13 +186,13 @@ function getTemplate (
     };
 }
 
-function instantiateLayergroup (mapBackend, userLimitsApi, pgConnection, affectedTablesCache) {
+function instantiateLayergroup (mapBackend, userLimitsBackend, pgConnection, affectedTablesCache) {
     return function instantiateLayergroupMiddleware (req, res, next) {
         const { user, mapConfig, rendererParams } = res.locals;
         const mapConfigProvider = new CreateLayergroupMapConfigProvider(
             mapConfig,
             user,
-            userLimitsApi,
+            userLimitsBackend,
             pgConnection,
             affectedTablesCache,
             rendererParams