Standardize usage of virtual/override/final specifiers.

chrome/browser/sync/glue/browser_thread_model_worker_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 "base/bind.h"
 #include "base/callback.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/memory/weak_ptr.h"
 #include "base/message_loop/message_loop.h"
 #include "base/test/test_timeouts.h"
@@ skipping 54 matching lines @@
 
   // This will be called by the OneShotTimer and make the test fail unless
   // DoWork is called first.
   void Timeout() {
     ADD_FAILURE() << "Timed out waiting for work to be done on the DB thread.";
     BrowserThread::PostTask(
         BrowserThread::IO, FROM_HERE, base::MessageLoop::QuitClosure());
   }
 
  protected:
-  virtual void SetUp() {
-    worker_ = new DatabaseModelWorker(NULL);
-  }
+  void SetUp() override { worker_ = new DatabaseModelWorker(NULL); }
 
   virtual void Teardown() {
     worker_ = NULL;
   }
 
  private:
   bool did_do_work_;
   scoped_refptr<BrowserThreadModelWorker> worker_;
   OneShotTimer<SyncBrowserThreadModelWorkerTest> timer_;
 
   content::TestBrowserThreadBundle thread_bundle_;
 
   base::WeakPtrFactory<SyncBrowserThreadModelWorkerTest> weak_factory_;
 };
 
 TEST_F(SyncBrowserThreadModelWorkerTest, DoesWorkOnDatabaseThread) {
   base::MessageLoop::current()->PostTask(FROM_HERE,
       base::Bind(&SyncBrowserThreadModelWorkerTest::ScheduleWork,
                  factory()->GetWeakPtr()));
   base::MessageLoop::current()->Run();
   EXPECT_TRUE(did_do_work());
 }
 
 }  // namespace
 
 }  // namespace browser_sync