Revert of Remove parameters which are always null

xfa/fxjse/util_inline.h

 // 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
 
 #ifndef XFA_FXJSE_UTIL_INLINE_H_
 #define XFA_FXJSE_UTIL_INLINE_H_
 
 #include "xfa/fxjse/context.h"
 
 static V8_INLINE v8::Local<v8::Object> FXJSE_GetGlobalObjectFromContext(
     const v8::Local<v8::Context>& hContext) {
   return hContext->Global()->GetPrototype().As<v8::Object>();
 }
 static V8_INLINE void FXJSE_UpdateObjectBinding(v8::Local<v8::Object>& hObject,
                                                 void* lpNewBinding) {
   ASSERT(!hObject.IsEmpty());
   ASSERT(hObject->InternalFieldCount() > 0);
   hObject->SetAlignedPointerInInternalField(0, lpNewBinding);
 }
 static V8_INLINE void* FXJSE_RetrieveObjectBinding(
-    const v8::Local<v8::Object>& hJSObject) {
+    const v8::Local<v8::Object>& hJSObject,
+    CFXJSE_Class* lpClass = NULL) {
   ASSERT(!hJSObject.IsEmpty());
   if (!hJSObject->IsObject()) {
     return NULL;
   }
   v8::Local<v8::Object> hObject = hJSObject;
   if (hObject->InternalFieldCount() == 0) {
     v8::Local<v8::Value> hProtoObject = hObject->GetPrototype();
     if (hProtoObject.IsEmpty() || !hProtoObject->IsObject()) {
       return NULL;
     }
     hObject = hProtoObject.As<v8::Object>();
     if (hObject->InternalFieldCount() == 0) {
       return NULL;
     }
   }
+  if (lpClass) {
+    v8::Local<v8::FunctionTemplate> hClass =
+        v8::Local<v8::FunctionTemplate>::New(
+            lpClass->GetContext()->GetRuntime(), lpClass->GetTemplate());
+    if (!hClass->HasInstance(hObject)) {
+      return NULL;
+    }
+  }
   return hObject->GetAlignedPointerFromInternalField(0);
 }
 
 #endif  // XFA_FXJSE_UTIL_INLINE_H_