Reduce usage of v8::Isolate::GetCurrent() in NPV8Object

Source/bindings/v8/V8NPUtils.h

 /* Copyright (C) 2006, 2007, 2008, 2009 Google 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.
  *     * Redistributions in binary form must reproduce the above
  * copyright notice, this list of conditions and the following disclaimer
@@ skipping 18 matching lines @@
 
 #ifndef V8NPUtils_h
 #define V8NPUtils_h
 
 #include <bindings/npruntime.h>
 #include <v8.h>
 
 namespace WebCore {
 
 // Convert a V8 Value of any type (string, bool, object, etc) to a NPVariant.
-void convertV8ObjectToNPVariant(v8::Local<v8::Value>, NPObject*, NPVariant*);
+void convertV8ObjectToNPVariant(v8::Local<v8::Value>, NPObject*, NPVariant*, v8::Isolate*);
 
 // Convert a NPVariant (string, bool, object, etc) back to a V8 Value.  The owner object is the NPObject which relates to the
 // object, if the object is an Object.  The created NPObject will be tied to the lifetime of the owner.
 v8::Handle<v8::Value> convertNPVariantToV8Object(const NPVariant*, NPObject*, v8::Isolate*);
 
 // Helper function to create an NPN String Identifier from a v8 string.
 NPIdentifier getStringIdentifier(v8::Handle<v8::String>);
 
 // The ExceptionHandler will be notified of any exceptions thrown while
 // operating on a NPObject.
 typedef void (*ExceptionHandler)(void* data, const NPUTF8* message);
 void pushExceptionHandler(ExceptionHandler, void* data);
 void popExceptionHandler();
 
 // Upon destruction, an ExceptionCatcher will pass a caught exception to the
 // current ExceptionHandler.
 class ExceptionCatcher {
 public:
     ExceptionCatcher();
     ~ExceptionCatcher();
 private:
     v8::TryCatch m_tryCatch;
 };
 
 } // namespace WebCore
 
 #endif // V8NPUtils_h