Standardize usage of virtual/override/final in sync/

sync/internal_api/sync_rollback_manager_base.cc

 // 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.
 
 #include "sync/internal_api/sync_rollback_manager_base.h"
 
 #include "sync/internal_api/public/base/model_type.h"
 #include "sync/internal_api/public/read_node.h"
 #include "sync/internal_api/public/read_transaction.h"
 #include "sync/internal_api/public/write_transaction.h"
 #include "sync/syncable/directory_backing_store.h"
 #include "sync/syncable/mutable_entry.h"
 
 namespace {
 
 // Permanent bookmark folders as defined in bookmark_model_associator.cc.
 // No mobile bookmarks because they only exists with sync enabled.
 const char kBookmarkBarTag[] = "bookmark_bar";
 const char kOtherBookmarksTag[] = "other_bookmarks";
 
 class DummyEntryptionHandler : public syncer::SyncEncryptionHandler {
-  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 {
-    return false;
-  }
-  virtual syncer::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 { return false; }
+  syncer::PassphraseType GetPassphraseType() const override {
     return syncer::KEYSTORE_PASSPHRASE;
   }
 };
 
 }  // anonymous namespace
 
 namespace syncer {
 
 SyncRollbackManagerBase::SyncRollbackManagerBase()
     : report_unrecoverable_error_function_(NULL),
@@ skipping 278 matching lines @@
 
 void SyncRollbackManagerBase::UnregisterDirectoryTypeDebugInfoObserver(
     syncer::TypeDebugInfoObserver* observer) {}
 
 bool SyncRollbackManagerBase::HasDirectoryTypeDebugInfoObserver(
     syncer::TypeDebugInfoObserver* observer) { return false; }
 
 void SyncRollbackManagerBase::RequestEmitDebugInfo() {}
 
 }  // namespace syncer