1 files changed, 2 insertions, 13 deletions

diff --git a/Source/JavaScriptCore/API/JSClassRef.cpp b/Source/JavaScriptCore/API/JSClassRef.cpp
index 298c734ea..08fa5c5e0 100644
--- a/Source/JavaScriptCore/API/JSClassRef.cpp
+++ b/Source/JavaScriptCore/API/JSClassRef.cpp
@@ -164,7 +164,7 @@ OpaqueJSClassContextData::OpaqueJSClassContextData(JSC::JSGlobalData&, OpaqueJSC
 
 OpaqueJSClassContextData& OpaqueJSClass::contextData(ExecState* exec)
 {
-    OwnPtr<OpaqueJSClassContextData>& contextData = exec->globalData().opaqueJSClassData.add(this, nullptr).first->second;
+    OwnPtr<OpaqueJSClassContextData>& contextData = exec->globalData().opaqueJSClassData.add(this, nullptr).iterator->second;
     if (!contextData)
         contextData = adoptPtr(new OpaqueJSClassContextData(exec->globalData(), this));
     return *contextData;
@@ -204,17 +204,6 @@ JSObject* OpaqueJSClass::prototype(ExecState* exec)
      *  DerivedClass  |  DerivedClassPrototype
      */
 
-    if (convertToType) {
-        if (!prototypeClass)
-            prototypeClass = OpaqueJSClass::create(&kJSClassDefinitionEmpty).leakRef();
-        if (!prototypeClass->m_staticFunctions)
-            prototypeClass->m_staticFunctions = adoptPtr(new OpaqueJSClassStaticFunctionsTable);
-        const Identifier& toString = exec->propertyNames().toString;
-        const Identifier& valueOf = exec->propertyNames().valueOf;
-        prototypeClass->m_staticFunctions->add(StringImpl::create(toString.characters(), toString.length()), adoptPtr(new StaticFunctionEntry(&JSCallbackFunction::toStringCallback, 0)));
-        prototypeClass->m_staticFunctions->add(StringImpl::create(valueOf.characters(), valueOf.length()), adoptPtr(new StaticFunctionEntry(&JSCallbackFunction::valueOfCallback, 0)));
-    }
-
     if (!prototypeClass)
         return 0;
 
@@ -222,7 +211,7 @@ JSObject* OpaqueJSClass::prototype(ExecState* exec)
 
     if (!jsClassData.cachedPrototype) {
         // Recursive, but should be good enough for our purposes
-        jsClassData.cachedPrototype = PassWeak<JSObject>(exec->globalData(), JSCallbackObject<JSNonFinalObject>::create(exec, exec->lexicalGlobalObject(), exec->lexicalGlobalObject()->callbackObjectStructure(), prototypeClass, &jsClassData), 0); // set jsClassData as the object's private data, so it can clear our reference on destruction
+        jsClassData.cachedPrototype = PassWeak<JSObject>(JSCallbackObject<JSNonFinalObject>::create(exec, exec->lexicalGlobalObject(), exec->lexicalGlobalObject()->callbackObjectStructure(), prototypeClass, &jsClassData), 0); // set jsClassData as the object's private data, so it can clear our reference on destruction
         if (parentClass) {
             if (JSObject* prototype = parentClass->prototype(exec))
                 jsClassData.cachedPrototype->setPrototype(exec->globalData(), prototype);