Rename AuthAppi by AuthBackend

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

@@ -28,7 +28,7 @@ module.exports = class TileLayergroupController {
         mapStore,
         userLimitsApi,
         layergroupAffectedTablesCache,
-        authApi,
+        authBackend,
         surrogateKeysCache
     ) {
         this.tileBackend = tileBackend;
@@ -36,7 +36,7 @@ module.exports = class TileLayergroupController {
         this.mapStore = mapStore;
         this.userLimitsApi = userLimitsApi;
         this.layergroupAffectedTablesCache = layergroupAffectedTablesCache;
-        this.authApi = authApi;
+        this.authBackend = authBackend;
         this.surrogateKeysCache = surrogateKeysCache;
     }
 
@@ -50,7 +50,7 @@ module.exports = class TileLayergroupController {
             `/:token/:z${number()}/:x${number()}/:y${number()}@:scale_factor${number()}?x.:format`,
             layergroupToken(),
             credentials(),
-            authorize(this.authApi),
+            authorize(this.authBackend),
             dbConnSetup(this.pgConnection),
             rateLimit(this.userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.TILE),
             cleanUpQueryParams(),
@@ -75,7 +75,7 @@ module.exports = class TileLayergroupController {
             `/:token/:z${number()}/:x${number()}/:y${number()}.:format`,
             layergroupToken(),
             credentials(),
-            authorize(this.authApi),
+            authorize(this.authBackend),
             dbConnSetup(this.pgConnection),
             rateLimit(this.userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.TILE),
             cleanUpQueryParams(),
@@ -100,7 +100,7 @@ module.exports = class TileLayergroupController {
             `/:token${not('static')}/:layer/:z${number()}/:x${number()}/:y${number()}.(:format)`,
             layergroupToken(),
             credentials(),
-            authorize(this.authApi),
+            authorize(this.authBackend),
             dbConnSetup(this.pgConnection),
             rateLimit(this.userLimitsApi, RATE_LIMIT_ENDPOINTS_GROUPS.TILE),
             cleanUpQueryParams(),