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

Source/bindings/core/v8/ScriptPromiseResolver.h

 // 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.
 
 #ifndef ScriptPromiseResolver_h
 #define ScriptPromiseResolver_h
 
 #include "bindings/core/v8/ScopedPersistent.h"
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptState.h"
@@ skipping 66 matching lines @@
     {
 #if ENABLE(ASSERT)
         m_isPromiseCalled = true;
 #endif
         return m_resolver.promise();
     }
 
     ScriptState* scriptState() const { return m_scriptState.get(); }
 
     // ActiveDOMObject implementation.
-    virtual void suspend() override;
-    virtual void resume() override;
-    virtual void stop() override;
+    void suspend() override;
+    void resume() override;
+    void stop() override;
 
     // Once this function is called this resolver stays alive while the
     // promise is pending and the associated ExecutionContext isn't stopped.
     void keepAliveWhilePending();
 
     DECLARE_VIRTUAL_TRACE();
 
 protected:
     // You need to call suspendIfNeeded after the construction because
     // this is an ActiveDOMObject.
@@ skipping 43 matching lines @@
     ScopedPersistent<v8::Value> m_value;
 #if ENABLE(ASSERT)
     // True if promise() is called.
     bool m_isPromiseCalled;
 #endif
 };
 
 } // namespace blink
 
 #endif // ScriptPromiseResolver_h