bindings: Moves custom getters/setters to the prototype chain.

Source/bindings/core/v8/custom/V8ErrorEventCustom.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 25 matching lines @@
 #include "bindings/core/v8/SerializedScriptValue.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8DOMWrapper.h"
 #include "bindings/core/v8/V8Event.h"
 #include "bindings/core/v8/V8HiddenValue.h"
 #include "core/dom/ContextFeatures.h"
 #include "platform/RuntimeEnabledFeatures.h"
 
 namespace blink {
 
-static void setHiddenValueAndReturnValue(const v8::PropertyCallbackInfo<v8::Value>& info, v8::Local<v8::Value> error)
+static void setHiddenValueAndReturnValue(const v8::FunctionCallbackInfo<v8::Value>& info, v8::Local<v8::Value> error)
 {
     V8HiddenValue::setHiddenValue(info.GetIsolate(), info.Holder(), V8HiddenValue::error(info.GetIsolate()), error);
     v8SetReturnValue(info, error);
 }
 
-void V8ErrorEvent::errorAttributeGetterCustom(const v8::PropertyCallbackInfo<v8::Value>& info)
+void V8ErrorEvent::errorAttributeGetterCustom(const v8::FunctionCallbackInfo<v8::Value>& info)
 {
     v8::Isolate* isolate = info.GetIsolate();
     v8::Local<v8::Value> cachedError = V8HiddenValue::getHiddenValue(isolate, info.Holder(), V8HiddenValue::error(isolate));
     if (!cachedError.IsEmpty()) {
         v8SetReturnValue(info, cachedError);
         return;
     }
 
     ErrorEvent* event = V8ErrorEvent::toImpl(info.Holder());
     ScriptValue error = event->error(ScriptState::current(isolate));
     if (!error.isEmpty())
         setHiddenValueAndReturnValue(info, error.v8Value());
     else
         setHiddenValueAndReturnValue(info, v8::Null(isolate));
 }
 
 } // namespace blink