Revert of Remove parameters which are always null

xfa/fxjse/class.cpp

 // Copyright 2014 PDFium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
 
 #include "xfa/fxjse/class.h"
 
 #include "xfa/fxjse/cfxjse_arguments.h"
 #include "xfa/fxjse/context.h"
@@ skipping 165 matching lines @@
 }
 
 CFX_ByteString CFXJSE_Arguments::GetUTF8String(int32_t index) const {
   const CFXJSE_ArgumentsImpl* lpArguments =
       reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this);
   v8::Local<v8::String> hString = (*lpArguments->m_pInfo)[index]->ToString();
   v8::String::Utf8Value szStringVal(hString);
   return CFX_ByteString(*szStringVal);
 }
 
-void* CFXJSE_Arguments::GetObject(int32_t index) const {
+void* CFXJSE_Arguments::GetObject(int32_t index, FXJSE_HCLASS hClass) const {
   const CFXJSE_ArgumentsImpl* lpArguments =
       reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this);
   v8::Local<v8::Value> hValue = (*lpArguments->m_pInfo)[index];
   ASSERT(!hValue.IsEmpty());
   if (!hValue->IsObject()) {
     return NULL;
   }
-  return FXJSE_RetrieveObjectBinding(hValue.As<v8::Object>());
+  CFXJSE_Class* lpClass = reinterpret_cast<CFXJSE_Class*>(hClass);
+  return FXJSE_RetrieveObjectBinding(hValue.As<v8::Object>(), lpClass);
 }
 
 FXJSE_HVALUE CFXJSE_Arguments::GetReturnValue() {
   const CFXJSE_ArgumentsImpl* lpArguments =
       reinterpret_cast<const CFXJSE_ArgumentsImpl* const>(this);
   return reinterpret_cast<FXJSE_HVALUE>(lpArguments->m_pRetValue);
 }
 static void FXJSE_Context_GlobalObjToString(
     const v8::FunctionCallbackInfo<v8::Value>& info) {
   const FXJSE_CLASS* lpClass =
@@ skipping 103 matching lines @@
 }
 
 CFXJSE_Class* CFXJSE_Class::GetClassFromContext(CFXJSE_Context* pContext,
                                                 const CFX_ByteStringC& szName) {
   for (const auto& pClass : pContext->m_rgClasses) {
     if (pClass->m_szClassName == szName)
       return pClass.get();
   }
   return nullptr;
 }