Auto-formatted all .mojom files.

services/authentication/authentication_impl_db.mojom

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-[DartPackage="mojo_services", JavaPackage="org.chromium.mojo.authentication"]
+[DartPackage="mojo_services",
+ JavaPackage="org.chromium.mojo.authentication"]
 module authentication;
 
 // Database for the authentication implementation.
 // This struct is used to persist state for the authentication service and is
 // not passed between services.
 struct Db {
   // Version of the database.
   uint32 version;
   // Map from application to last selected account.
   map<string, string> last_selected_accounts;
 };