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

Source/bindings/core/v8/ScriptPromiseProperty.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 ScriptPromiseProperty_h
 #define ScriptPromiseProperty_h
 
 #include "bindings/core/v8/ScriptPromise.h"
 #include "bindings/core/v8/ScriptPromisePropertyBase.h"
 #include "bindings/core/v8/ToV8.h"
@@ skipping 36 matching lines @@
     // (typically ScriptPromiseProperty should be a member of the
     // property holder).
     //
     // When implementing a ScriptPromiseProperty add the property name
     // to ScriptPromiseProperties.h and pass
     // ScriptPromiseProperty::Foo to create. The name must be unique
     // per kind of holder.
     template<typename PassHolderType>
     ScriptPromiseProperty(ExecutionContext*, PassHolderType, Name);
 
-    virtual ~ScriptPromiseProperty() { }
+    ~ScriptPromiseProperty() override { }
 
     template<typename PassResolvedType>
     void resolve(PassResolvedType);
 
     template<typename PassRejectedType>
     void reject(PassRejectedType);
 
     // Resets this property by unregistering the Promise property from the
     // holder wrapper. Resets the internal state to Pending and clears the
     // resolved and the rejected values.
     // This method keeps the holder object and the property name.
     void reset();
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
-    virtual v8::Local<v8::Object> holder(v8::Isolate*, v8::Local<v8::Object> creationContext) override;
-    virtual v8::Local<v8::Value> resolvedValue(v8::Isolate*, v8::Local<v8::Object> creationContext) override;
-    virtual v8::Local<v8::Value> rejectedValue(v8::Isolate*, v8::Local<v8::Object> creationContext) override;
+    v8::Local<v8::Object> holder(v8::Isolate*, v8::Local<v8::Object> creationContext) override;
+    v8::Local<v8::Value> resolvedValue(v8::Isolate*, v8::Local<v8::Object> creationContext) override;
+    v8::Local<v8::Value> rejectedValue(v8::Isolate*, v8::Local<v8::Object> creationContext) override;
 
     HolderType m_holder;
     ResolvedType m_resolved;
     RejectedType m_rejected;
 };
 
 template<typename HolderType, typename ResolvedType, typename RejectedType>
 template<typename PassHolderType>
 ScriptPromiseProperty<HolderType, ResolvedType, RejectedType>::ScriptPromiseProperty(ExecutionContext* executionContext, PassHolderType holder, Name name)
     : ScriptPromisePropertyBase(executionContext, name)
@@ skipping 71 matching lines @@
 {
     TraceIfNeeded<HolderType>::trace(visitor, m_holder);
     TraceIfNeeded<ResolvedType>::trace(visitor, m_resolved);
     TraceIfNeeded<RejectedType>::trace(visitor, m_rejected);
     ScriptPromisePropertyBase::trace(visitor);
 }
 
 } // namespace blink
 
 #endif // ScriptPromiseProperty_h