Standardize usage of virtual/override/final specifiers.

chrome/browser/password_manager/native_backend_kwallet_x_unittest.cc

 // Copyright (c) 2012 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.
 
 #include <algorithm>
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/bind.h"
@@ skipping 221 matching lines @@
 
 class NativeBackendKWalletTest : public NativeBackendKWalletTestBase {
  protected:
   NativeBackendKWalletTest()
       : ui_thread_(BrowserThread::UI, &message_loop_),
         db_thread_(BrowserThread::DB), klauncher_ret_(0),
         klauncher_contacted_(false), kwallet_runnable_(true),
         kwallet_running_(true), kwallet_enabled_(true) {
   }
 
-  virtual void SetUp();
-  virtual void TearDown();
+  void SetUp() override;
+  void TearDown() override;
 
   // Let the DB thread run to completion of all current tasks.
   void RunDBThread() {
     base::WaitableEvent event(false, false);
     BrowserThread::PostTask(BrowserThread::DB, FROM_HERE,
                             base::Bind(ThreadDone, &event));
     event.Wait();
     // Some of the tests may post messages to the UI thread, but we don't need
     // to run those until after the DB thread is finished. So run it here.
     message_loop_.RunUntilIdle();
@@ skipping 821 matching lines @@
   CheckVersion1Pickle();
 }
 
 TEST_F(NativeBackendKWalletPickleTest, CheckVersion2Pickle) {
   CheckVersion2Pickle();
 }
 
 TEST_F(NativeBackendKWalletPickleTest, CheckVersion3Pickle) {
   CheckVersion3Pickle();
 }