Standardize usage of virtual/override/final in sync/

sync/test/fake_sync_encryption_handler.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_SYNCABLE_TEST_FAKE_SYNC_ENCRYPTION_HANDLER_H_
 #define SYNC_SYNCABLE_TEST_FAKE_SYNC_ENCRYPTION_HANDLER_H_
 
 #include <string>
 
 #include "base/compiler_specific.h"
 #include "base/observer_list.h"
 #include "sync/internal_api/public/sync_encryption_handler.h"
 #include "sync/syncable/nigori_handler.h"
 #include "sync/test/fake_encryptor.h"
 #include "sync/util/cryptographer.h"
 
 namespace syncer {
 
 // A fake sync encryption handler capable of keeping track of the encryption
 // state without opening any transactions or interacting with the nigori node.
 // Note that this only performs basic interactions with the cryptographer
 // (setting pending keys, installing keys).
 // Note: NOT thread safe. If threads attempt to check encryption state
 // while another thread is modifying it, races can occur.
 class FakeSyncEncryptionHandler : public SyncEncryptionHandler,
                                   public syncable::NigoriHandler {
  public:
   FakeSyncEncryptionHandler();
-  virtual ~FakeSyncEncryptionHandler();
+  ~FakeSyncEncryptionHandler() override;
 
   // SyncEncryptionHandler implementation.
-  virtual void AddObserver(Observer* observer) override;
-  virtual void RemoveObserver(Observer* observer) override;
-  virtual void Init() override;
-  virtual void SetEncryptionPassphrase(const std::string& passphrase,
-                                       bool is_explicit) override;
-  virtual void SetDecryptionPassphrase(const std::string& passphrase) override;
-  virtual void EnableEncryptEverything() override;
-  virtual bool EncryptEverythingEnabled() const override;
-  virtual PassphraseType GetPassphraseType() const override;
+  void AddObserver(Observer* observer) override;
+  void RemoveObserver(Observer* observer) override;
+  void Init() override;
+  void SetEncryptionPassphrase(const std::string& passphrase,
+                               bool is_explicit) override;
+  void SetDecryptionPassphrase(const std::string& passphrase) override;
+  void EnableEncryptEverything() override;
+  bool EncryptEverythingEnabled() const override;
+  PassphraseType GetPassphraseType() const override;
 
   // NigoriHandler implemenation.
-  virtual void ApplyNigoriUpdate(
-      const sync_pb::NigoriSpecifics& nigori,
-      syncable::BaseTransaction* const trans) override;
-  virtual void UpdateNigoriFromEncryptedTypes(
+  void ApplyNigoriUpdate(const sync_pb::NigoriSpecifics& nigori,
+                         syncable::BaseTransaction* const trans) override;
+  void UpdateNigoriFromEncryptedTypes(
       sync_pb::NigoriSpecifics* nigori,
       syncable::BaseTransaction* const trans) const override;
-  virtual bool NeedKeystoreKey(
-      syncable::BaseTransaction* const trans) const override;
-  virtual bool SetKeystoreKeys(
+  bool NeedKeystoreKey(syncable::BaseTransaction* const trans) const override;
+  bool SetKeystoreKeys(
       const google::protobuf::RepeatedPtrField<google::protobuf::string>& keys,
       syncable::BaseTransaction* const trans) override;
-  virtual ModelTypeSet GetEncryptedTypes(
+  ModelTypeSet GetEncryptedTypes(
       syncable::BaseTransaction* const trans) const override;
 
   Cryptographer* cryptographer() { return &cryptographer_; }
 
  private:
   ObserverList<SyncEncryptionHandler::Observer> observers_;
   ModelTypeSet encrypted_types_;
   bool encrypt_everything_;
   PassphraseType passphrase_type_;
 
   FakeEncryptor encryptor_;
   Cryptographer cryptographer_;
   std::string keystore_key_;
 };
 
 }  // namespace syncer
 
 #endif  // SYNC_INTERNAL_API_PUBLIC_TEST_FAKE_SYNC_ENCRYPTION_HANDLER_H_