Standardize usage of virtual/override/final in chrome/browser/sync/

chrome/browser/sync/glue/sync_backend_host_core.h

Index: chrome/browser/sync/glue/sync_backend_host_core.h
diff --git a/chrome/browser/sync/glue/sync_backend_host_core.h b/chrome/browser/sync/glue/sync_backend_host_core.h
index 06fdd4ff21b52d7c52c753d2fb496698b3b9044e..88a7e6f0c3aae89e490c6b98082e32d3d09c30ae 100644
--- a/chrome/browser/sync/glue/sync_backend_host_core.h
+++ b/chrome/browser/sync/glue/sync_backend_host_core.h
@@ -90,48 +90,41 @@ class SyncBackendHostCore
   // SyncManager::Observer implementation.  The Core just acts like an air
   // traffic controller here, forwarding incoming messages to appropriate
   // landing threads.
-  virtual void OnSyncCycleCompleted(
+  void OnSyncCycleCompleted(
       const syncer::sessions::SyncSessionSnapshot& snapshot) override;
-  virtual void OnInitializationComplete(
+  void OnInitializationComplete(
       const syncer::WeakHandle<syncer::JsBackend>& js_backend,
       const syncer::WeakHandle<syncer::DataTypeDebugInfoListener>&
           debug_info_listener,
       bool success,
       syncer::ModelTypeSet restored_types) override;
-  virtual void OnConnectionStatusChange(
-      syncer::ConnectionStatus status) override;
-  virtual void OnActionableError(
-      const syncer::SyncProtocolError& sync_error) override;
-  virtual void OnMigrationRequested(syncer::ModelTypeSet types) override;
-  virtual void OnProtocolEvent(const syncer::ProtocolEvent& event) override;
+  void OnConnectionStatusChange(syncer::ConnectionStatus status) override;
+  void OnActionableError(const syncer::SyncProtocolError& sync_error) override;
+  void OnMigrationRequested(syncer::ModelTypeSet types) override;
+  void OnProtocolEvent(const syncer::ProtocolEvent& event) override;
 
   // SyncEncryptionHandler::Observer implementation.
-  virtual void OnPassphraseRequired(
+  void OnPassphraseRequired(
       syncer::PassphraseRequiredReason reason,
       const sync_pb::EncryptedData& pending_keys) override;
-  virtual void OnPassphraseAccepted() override;
-  virtual void OnBootstrapTokenUpdated(
-      const std::string& bootstrap_token,
-      syncer::BootstrapTokenType type) override;
-  virtual void OnEncryptedTypesChanged(
-      syncer::ModelTypeSet encrypted_types,
-      bool encrypt_everything) override;
-  virtual void OnEncryptionComplete() override;
-  virtual void OnCryptographerStateChanged(
+  void OnPassphraseAccepted() override;
+  void OnBootstrapTokenUpdated(const std::string& bootstrap_token,
+                               syncer::BootstrapTokenType type) override;
+  void OnEncryptedTypesChanged(syncer::ModelTypeSet encrypted_types,
+                               bool encrypt_everything) override;
+  void OnEncryptionComplete() override;
+  void OnCryptographerStateChanged(
       syncer::Cryptographer* cryptographer) override;
-  virtual void OnPassphraseTypeChanged(syncer::PassphraseType type,
-                                       base::Time passphrase_time) override;
+  void OnPassphraseTypeChanged(syncer::PassphraseType type,
+                               base::Time passphrase_time) override;
 
   // TypeDebugInfoObserver implementation
-  virtual void OnCommitCountersUpdated(
-      syncer::ModelType type,
-      const syncer::CommitCounters& counters) override;
-  virtual void OnUpdateCountersUpdated(
-      syncer::ModelType type,
-      const syncer::UpdateCounters& counters) override;
-  virtual void OnStatusCountersUpdated(
-      syncer::ModelType type,
-      const syncer::StatusCounters& counters) override;
+  void OnCommitCountersUpdated(syncer::ModelType type,
+                               const syncer::CommitCounters& counters) override;
+  void OnUpdateCountersUpdated(syncer::ModelType type,
+                               const syncer::UpdateCounters& counters) override;
+  void OnStatusCountersUpdated(syncer::ModelType type,
+                               const syncer::StatusCounters& counters) override;
 
   // Forwards an invalidation state change to the sync manager.
   void DoOnInvalidatorStateChange(syncer::InvalidatorState state);
@@ -248,7 +241,7 @@ class SyncBackendHostCore
   friend class base::RefCountedThreadSafe<SyncBackendHostCore>;
   friend class SyncBackendHostForProfileSyncTest;
 
-  virtual ~SyncBackendHostCore();
+  ~SyncBackendHostCore() override;
 
   // Invoked when initialization of syncapi is complete and we can start
   // our timer.