[bindings] Let NativeValueTraits<T>::nativeValue be variadic function and merge various convers…

Source/bindings/core/v8/ScriptValue.h

 /*
  * Copyright (C) 2008, 2009 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 34 matching lines @@
 class JSONValue;
 
 class CORE_EXPORT ScriptValue final {
 public:
     template<typename T>
     static ScriptValue from(ScriptState* scriptState, T value)
     {
         return ScriptValue(scriptState, toV8(value, scriptState->context()->Global(), scriptState->isolate()));
     }
 
-    template<typename T>
-    inline T to(ExceptionState& exceptionState) const
+    template<typename T, typename... Arguments>
+    static inline T to(v8::Isolate* isolate, const ScriptValue& value, ExceptionState& exceptionState, Arguments const&... arguments)
     {
-        return NativeValueTraits<T>::nativeValue(isolate(), v8Value(), exceptionState);
+        return NativeValueTraits<T>::nativeValue(isolate, value.v8Value(), exceptionState, arguments...);
     }
 
     ScriptValue() { }
 
     ScriptValue(ScriptState* scriptState, v8::Handle<v8::Value> value)
         : m_scriptState(scriptState)
         , m_value(value.IsEmpty() ? nullptr : SharedPersistent<v8::Value>::create(value, scriptState->isolate()))
     {
         ASSERT(isEmpty() || m_scriptState);
     }
@@ skipping 89 matching lines @@
     static ScriptValue createNull(ScriptState*);
 
 private:
     RefPtr<ScriptState> m_scriptState;
     RefPtr<SharedPersistent<v8::Value>> m_value;
 };
 
 } // namespace blink
 
 #endif // ScriptValue_h