replace OVERRIDE and FINAL with override and final in sync/

sync/test/test_transaction_observer.h

 // 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.
 
 #ifndef SYNC_TEST_TEST_TRANSACTION_OBSERVER_H_
 #define SYNC_TEST_TEST_TRANSACTION_OBSERVER_H_
 
 #include "base/memory/weak_ptr.h"
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/syncable/transaction_observer.h"
 #include "sync/syncable/write_transaction_info.h"
 
 namespace syncer {
 namespace syncable {
 
 // This class acts as a TransactionObserver for the syncable::Directory.
 // It gathers information that is useful for writing test assertions.
 class TestTransactionObserver :
   public base::SupportsWeakPtr<TestTransactionObserver>,
   public TransactionObserver {
  public:
   TestTransactionObserver();
   virtual ~TestTransactionObserver();
   virtual void OnTransactionWrite(
       const ImmutableWriteTransactionInfo& write_transaction_info,
-      ModelTypeSet models_with_changes) OVERRIDE;
+      ModelTypeSet models_with_changes) override;
 
   // Returns the number of transactions observed.
   //
   // Transactions are generated only when meaningful changes are made.  For most
   // testing purposes, you may assume that this counts the number of syncer
   // nudges generated.
   int transactions_observed();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(TestTransactionObserver);
 
   int transactions_observed_;
 };
 
 }  // namespace syncable
 }  // namespace syncer
 
 
 #endif  // SYNC_TEST_TEST_TRANSACTION_OBSERVER_H_