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

Source/modules/quota/StorageQuotaCallbacksImpl.h

 /*
  * Copyright (C) 2011 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 30 matching lines @@
 namespace blink {
 
 class MODULES_EXPORT StorageQuotaCallbacksImpl final : public StorageQuotaCallbacks {
     WTF_MAKE_NONCOPYABLE(StorageQuotaCallbacksImpl);
 public:
     static StorageQuotaCallbacksImpl* create(PassRefPtrWillBeRawPtr<ScriptPromiseResolver> resolver)
     {
         return new StorageQuotaCallbacksImpl(resolver);
     }
 
-    virtual ~StorageQuotaCallbacksImpl();
+    ~StorageQuotaCallbacksImpl() override;
 
-    virtual void didQueryStorageUsageAndQuota(unsigned long long usageInBytes, unsigned long long quotaInBytes) override;
-    virtual void didGrantStorageQuota(unsigned long long usageInBytes, unsigned long long grantedQuotaInBytes) override;
-    virtual void didFail(WebStorageQuotaError) override;
+    void didQueryStorageUsageAndQuota(unsigned long long usageInBytes, unsigned long long quotaInBytes) override;
+    void didGrantStorageQuota(unsigned long long usageInBytes, unsigned long long grantedQuotaInBytes) override;
+    void didFail(WebStorageQuotaError) override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     explicit StorageQuotaCallbacksImpl(PassRefPtrWillBeRawPtr<ScriptPromiseResolver>);
 
     RefPtrWillBeMember<ScriptPromiseResolver> m_resolver;
 };
 
 } // namespace blink
 
 #endif // StorageQuotaCallbacksImpl_h