replace OVERRIDE and FINAL with override and final in chrome/browser/[r-z]*

chrome/browser/sync/glue/history_model_worker.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 "chrome/browser/sync/glue/history_model_worker.h"
 
 #include "base/memory/ref_counted.h"
 #include "base/message_loop/message_loop.h"
 #include "base/synchronization/waitable_event.h"
 #include "content/public/browser/browser_thread.h"
 
 using base::WaitableEvent;
 using content::BrowserThread;
 
 namespace browser_sync {
 
 class WorkerTask : public history::HistoryDBTask {
  public:
   WorkerTask(
       const syncer::WorkCallback& work,
       WaitableEvent* done,
       syncer::SyncerError* error)
     : work_(work), done_(done), error_(error) {}
 
   virtual bool RunOnDBThread(history::HistoryBackend* backend,
-                             history::HistoryDatabase* db) OVERRIDE {
+                             history::HistoryDatabase* db) override {
     *error_ = work_.Run();
     done_->Signal();
     return true;
   }
 
   // Since the DoWorkAndWaitUntilDone() is synchronous, we don't need to run
   // any code asynchronously on the main thread after completion.
-  virtual void DoneRunOnMainThread() OVERRIDE {}
+  virtual void DoneRunOnMainThread() override {}
 
  protected:
   virtual ~WorkerTask() {}
 
   syncer::WorkCallback work_;
   WaitableEvent* done_;
   syncer::SyncerError* error_;
 };
 
 class AddDBThreadObserverTask : public history::HistoryDBTask {
  public:
   explicit AddDBThreadObserverTask(base::Closure register_callback)
      : register_callback_(register_callback) {}
 
   virtual bool RunOnDBThread(history::HistoryBackend* backend,
-                             history::HistoryDatabase* db) OVERRIDE {
+                             history::HistoryDatabase* db) override {
     register_callback_.Run();
     return true;
   }
 
-  virtual void DoneRunOnMainThread() OVERRIDE {}
+  virtual void DoneRunOnMainThread() override {}
 
  private:
   virtual ~AddDBThreadObserverTask() {}
 
   base::Closure register_callback_;
 };
 
 namespace {
 
 // Post the work task on |history_service|'s DB thread from the UI
@@ skipping 61 matching lines @@
 }
 
 HistoryModelWorker::~HistoryModelWorker() {
   // The base::CancelableTaskTracker class is not thread-safe and must only be
   // used from a single thread but the current object may not be destroyed from
   // the UI thread, so delete it from the UI thread.
   BrowserThread::DeleteOnUIThread::Destruct(cancelable_tracker_.release());
 }
 
 }  // namespace browser_sync