Rename AuthAppi by AuthBackend

lib/cartodb/api/map/attributes-layergroup-controller.js

@@ -18,7 +18,7 @@ module.exports = class AttributesLayergroupController {
         mapStore,
         userLimitsApi,
         layergroupAffectedTablesCache,
-        authApi,
+        authBackend,
         surrogateKeysCache
     ) {
         this.attributesBackend = attributesBackend;
@@ -26,7 +26,7 @@ module.exports = class AttributesLayergroupController {
         this.mapStore = mapStore;
         this.userLimitsApi = userLimitsApi;
         this.layergroupAffectedTablesCache = layergroupAffectedTablesCache;
-        this.authApi = authApi;
+        this.authBackend = authBackend;
         this.surrogateKeysCache = surrogateKeysCache;
     }
 
@@ -35,7 +35,7 @@ module.exports = class AttributesLayergroupController {
             `/:token/:layer/attributes/:fid`,
             layergroupToken(),
             credentials(),
-            authorize(this.authApi),
+            authorize(this.authBackend),
             dbConnSetup(this.pgConnection),
             rateLimit(this.userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.ATTRIBUTES),
             cleanUpQueryParams(),