Fix virtual/override/final usage in Source/modules/.

Source/modules/indexeddb/IDBTransaction.h

 /*
  * Copyright (C) 2010 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  *
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 40 matching lines @@
 
 class MODULES_EXPORT IDBTransaction final
     : public RefCountedGarbageCollectedEventTargetWithInlineData<IDBTransaction>
     , public ActiveDOMObject {
     REFCOUNTED_GARBAGE_COLLECTED_EVENT_TARGET(IDBTransaction);
     WILL_BE_USING_GARBAGE_COLLECTED_MIXIN(IDBTransaction);
     DEFINE_WRAPPERTYPEINFO();
 public:
     static IDBTransaction* create(ScriptState*, int64_t, const HashSet<String>& objectStoreNames, WebIDBTransactionMode, IDBDatabase*);
     static IDBTransaction* create(ScriptState*, int64_t, IDBDatabase*, IDBOpenDBRequest*, const IDBDatabaseMetadata& previousMetadata);
-    virtual ~IDBTransaction();
+    ~IDBTransaction() override;
     DECLARE_VIRTUAL_TRACE();
 
     static WebIDBTransactionMode stringToMode(const String&);
 
     // When the connection is closed backend will be 0.
     WebIDBDatabase* backendDB() const;
 
     int64_t id() const { return m_id; }
     bool isActive() const { return m_state == Active; }
     bool isFinished() const { return m_state == Finished; }
@@ skipping 17 matching lines @@
     void setError(DOMError*);
 
     DEFINE_ATTRIBUTE_EVENT_LISTENER(abort);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(complete);
     DEFINE_ATTRIBUTE_EVENT_LISTENER(error);
 
     void onAbort(DOMError*);
     void onComplete();
 
     // EventTarget
-    virtual const AtomicString& interfaceName() const override;
-    virtual ExecutionContext* executionContext() const override;
+    const AtomicString& interfaceName() const override;
+    ExecutionContext* executionContext() const override;
 
     using EventTarget::dispatchEvent;
-    virtual bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) override;
+    bool dispatchEvent(PassRefPtrWillBeRawPtr<Event>) override;
 
     // ActiveDOMObject
-    virtual bool hasPendingActivity() const override;
-    virtual void stop() override;
+    bool hasPendingActivity() const override;
+    void stop() override;
 
 private:
     IDBTransaction(ScriptState*, int64_t, const HashSet<String>&, WebIDBTransactionMode, IDBDatabase*, IDBOpenDBRequest*, const IDBDatabaseMetadata&);
 
     void enqueueEvent(PassRefPtrWillBeRawPtr<Event>);
 
     enum State {
         Inactive, // Created or started, but not in an event callback
         Active, // Created or started, in creation scope or an event callback
         Finishing, // In the process of aborting or completing.
@@ skipping 19 matching lines @@
     IDBObjectStoreSet m_deletedObjectStores;
 
     typedef HeapHashMap<Member<IDBObjectStore>, IDBObjectStoreMetadata> IDBObjectStoreMetadataMap;
     IDBObjectStoreMetadataMap m_objectStoreCleanupMap;
     IDBDatabaseMetadata m_previousMetadata;
 };
 
 } // namespace blink
 
 #endif // IDBTransaction_h