replace OVERRIDE and FINAL with override and final in sync/

sync/test/engine/mock_nudge_handler.h

 // Copyright 2014 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.
 
 #ifndef SYNC_TEST_ENGINE_MOCK_NUDGE_HANDLER_H_
 #define SYNC_TEST_ENGINE_MOCK_NUDGE_HANDLER_H_
 
 #include "base/basictypes.h"
 #include "base/compiler_specific.h"
 #include "sync/engine/nudge_handler.h"
 #include "sync/internal_api/public/base/model_type.h"
 
 namespace syncer {
 
 class MockNudgeHandler : public NudgeHandler {
  public:
   MockNudgeHandler();
   virtual ~MockNudgeHandler();
 
-  virtual void NudgeForInitialDownload(syncer::ModelType type) OVERRIDE;
-  virtual void NudgeForCommit(syncer::ModelType type) OVERRIDE;
-  virtual void NudgeForRefresh(syncer::ModelType type) OVERRIDE;
+  virtual void NudgeForInitialDownload(syncer::ModelType type) override;
+  virtual void NudgeForCommit(syncer::ModelType type) override;
+  virtual void NudgeForRefresh(syncer::ModelType type) override;
 
   int GetNumInitialDownloadNudges() const;
   int GetNumCommitNudges() const;
   int GetNumRefreshNudges() const;
 
   void ClearCounters();
 
  private:
   int num_initial_nudges_;
   int num_commit_nudges_;
   int num_refresh_nudges_;
 
   DISALLOW_COPY_AND_ASSIGN(MockNudgeHandler);
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_TEST_ENGINE_MOCK_NUDGE_HANDLER_H_