Update modules classes to use OVERRIDE / FINAL when needed

Source/modules/indexeddb/IDBTransactionTest.cpp

 /*
  * Copyright (C) 2013 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 47 matching lines @@
     {
         return m_document.get();
     }
 
 private:
     v8::HandleScope m_handleScope;
     v8::Context::Scope m_scope;
     RefPtr<Document> m_document;
 };
 
-class FakeWebIDBDatabase : public blink::WebIDBDatabase {
+class FakeWebIDBDatabase FINAL : public blink::WebIDBDatabase {
 public:
     static PassOwnPtr<FakeWebIDBDatabase> create() { return adoptPtr(new FakeWebIDBDatabase()); }
 
     virtual void commit(long long transactionId) OVERRIDE { }
     virtual void abort(long long transactionId) OVERRIDE { }
     virtual void close() OVERRIDE { }
 
 private:
     FakeWebIDBDatabase() { }
 };
 
-class FakeIDBDatabaseCallbacks : public IDBDatabaseCallbacks {
+class FakeIDBDatabaseCallbacks FINAL : public IDBDatabaseCallbacks {
 public:
     static PassRefPtr<FakeIDBDatabaseCallbacks> create() { return adoptRef(new FakeIDBDatabaseCallbacks()); }
     virtual void onVersionChange(int64_t oldVersion, int64_t newVersion) OVERRIDE { }
     virtual void onForcedClose() OVERRIDE { }
     virtual void onAbort(int64_t transactionId, PassRefPtr<DOMError> error) OVERRIDE { }
     virtual void onComplete(int64_t transactionId) OVERRIDE { }
 private:
     FakeIDBDatabaseCallbacks() { }
 };
 
@@ skipping 50 matching lines @@
 
     // Stop the context, so events don't get queued (which would keep the transaction alive).
     executionContext()->stopActiveDOMObjects();
 
     // Fire an abort to make sure this doesn't free the transaction during use. The test
     // will not fail if it is, but ASAN would notice the error.
     db->onAbort(transactionId, DOMError::create(AbortError, "Aborted"));
 }
 
 } // namespace