Use phantom handles instead of weak handles

fpdfsdk/src/jsapi/fxjs_v8.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 "../../../core/include/fxcrt/fx_basic.h"
 #include "../../../core/include/fxcrt/fx_ext.h" 
 #include "../../include/jsapi/fxjs_v8.h"
 #include "../../include/fsdk_define.h"
@@ skipping 29 matching lines @@
 class CJS_ObjDefintion
 {
 public:
         CJS_ObjDefintion(v8::Isolate* isolate, const wchar_t* sObjName, FXJSOBJTYPE eObjType, LP_CONSTRUCTOR pConstructor, LP_DESTRUCTOR pDestructor, unsigned bApplyNew):
           objName(sObjName), objType(eObjType), m_pConstructor(pConstructor), m_pDestructor(pDestructor),m_bApplyNew(bApplyNew),m_bSetAsGlobalObject(FALSE)
           {
                   v8::Isolate::Scope isolate_scope(isolate);
                   v8::HandleScope handle_scope(isolate);
 
                   v8::Handle<v8::ObjectTemplate> objTemplate = v8::ObjectTemplate::New(isolate);
-                  objTemplate->SetInternalFieldCount(1);
+                  objTemplate->SetInternalFieldCount(2);
                   m_objTemplate.Reset(isolate, objTemplate);
 
                  //Document as the global object.
                   if(FXSYS_wcscmp(sObjName, L"Document") == 0)
                   {
                          m_bSetAsGlobalObject = TRUE;
                   }
 
           }
           ~CJS_ObjDefintion()
@@ skipping 459 matching lines @@
         {
                 //It could be a global proxy object.
                 v8::Local<v8::Value> v = pObj->GetPrototype();
                 if(v->IsObject())
                         pPrivateData = (CJS_PrivateData*)v->ToObject()->GetAlignedPointerFromInternalField(0);
         }
         if(!pPrivateData) return NULL;
         return pPrivateData->pPrivate;
 }
 
+void JS_FreePrivate(void* pPrivateData)
+{
+        delete (CJS_PrivateData*)pPrivateData;
+}
+
 void JS_FreePrivate(v8::Handle<v8::Object> pObj)
 {
         if(pObj.IsEmpty() || !pObj->InternalFieldCount()) return;
-        delete (CJS_PrivateData*)pObj->GetAlignedPointerFromInternalField(0);
+        JS_FreePrivate(pObj->GetAlignedPointerFromInternalField(0));
         pObj->SetAlignedPointerInInternalField(0, NULL);
 }
 
 
 v8::Handle<v8::Value> JS_GetObjectValue(v8::Handle<v8::Object> pObj)
 {
         return pObj;
 }
 
 v8::Handle<v8::String> WSToJSString(IJS_Runtime* pJSRuntime, const wchar_t* PropertyName, int Len = -1)
@@ skipping 486 matching lines @@
 {
         return d != d;
 }
 
 double JS_LocalTime(double d)
 {
         return JS_GetDateTime() + _getDaylightSavingTA(d);
 }
 
 //JavaScript time implement End.