Have convertNPVariantToV8Object() use the isolate it is given

Source/bindings/v8/ScriptController.cpp

 /*
  * Copyright (C) 2008, 2009 Google Inc. All rights reserved.
  * Copyright (C) 2009 Apple 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.
@@ skipping 336 matching lines @@
 void ScriptController::bindToWindowObject(Frame* frame, const String& key, NPObject* object)
 {
     v8::HandleScope handleScope(m_isolate);
 
     v8::Handle<v8::Context> v8Context = ScriptController::mainWorldContext(frame);
     if (v8Context.IsEmpty())
         return;
 
     v8::Context::Scope scope(v8Context);
 
-    v8::Handle<v8::Object> value = createV8ObjectForNPObject(object, 0);
+    v8::Handle<v8::Object> value = createV8ObjectForNPObject(object, 0, m_isolate);
 
     // Attach to the global object.
     v8::Handle<v8::Object> global = v8Context->Global();
     global->Set(v8String(key, m_isolate), value);
 }
 
 void ScriptController::enableEval()
 {
     if (!m_windowShell->isContextInitialized())
         return;
@@ skipping 39 matching lines @@
     // javascript garbage collection is non-deterministic, yet we need to
     // be able to tear down the plugin objects immediately. When an object
     // is registered, javascript can use it. When the object is destroyed,
     // or when the object's "owning" object is destroyed, the object will
     // be un-registered, and the javascript engine must not use it.
     //
     // Inside the javascript engine, the engine can keep a reference to the
     // NPObject as part of its wrapper. However, before accessing the object
     // it must consult the _NPN_Registry.
 
-    v8::Local<v8::Object> wrapper = createV8ObjectForNPObject(npObject, 0);
+    v8::Local<v8::Object> wrapper = createV8ObjectForNPObject(npObject, 0, m_isolate);
 
     // Track the plugin object. We've been given a reference to the object.
     m_pluginObjects.set(widget, npObject);
 
     return V8ScriptInstance::create(wrapper);
 }
 
 void ScriptController::cleanupScriptObjectsForPlugin(Widget* nativeHandle)
 {
     PluginObjectMap::iterator it = m_pluginObjects.find(nativeHandle);
@@ skipping 286 matching lines @@
         v8Results = evaluateHandleScope.Close(resultArray);
     }
 
     if (results && !v8Results.IsEmpty()) {
         for (size_t i = 0; i < v8Results->Length(); ++i)
             results->append(ScriptValue(v8Results->Get(i)));
     }
 }
 
 } // namespace WebCore