Update bindings classes to use OVERRIDE / FINAL when needed

Source/bindings/v8/CallbackPromiseAdapter.h

Index: Source/bindings/v8/CallbackPromiseAdapter.h
diff --git a/Source/bindings/v8/CallbackPromiseAdapter.h b/Source/bindings/v8/CallbackPromiseAdapter.h
index 19b5a543918623780aa2188383e3c48a64bab63b..e4862d473559f9651e3c0aafcc58de23c4734e54 100644
--- a/Source/bindings/v8/CallbackPromiseAdapter.h
+++ b/Source/bindings/v8/CallbackPromiseAdapter.h
@@ -61,7 +61,7 @@ namespace WebCore {
 // example that ownership of the WebCallbacks instance is being passed
 // in and it is up to the callee to free the WebCallbacks instace.
 template<typename S, typename T>
-class CallbackPromiseAdapter : public blink::WebCallbacks<typename S::WebType, typename T::WebType> {
+class CallbackPromiseAdapter FINAL : public blink::WebCallbacks<typename S::WebType, typename T::WebType> {
 public:
     explicit CallbackPromiseAdapter(PassRefPtr<ScriptPromiseResolver> resolver, ExecutionContext* context)
         : m_resolver(resolver)