Pass isolate to ScopedPersistent constructor

Source/bindings/v8/ScopedPersistent.h

 /*
  * Copyright (C) 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
@@ skipping 24 matching lines @@
 #include "wtf/Noncopyable.h"
 
 namespace WebCore {
 
 template<typename T>
 class ScopedPersistent {
     WTF_MAKE_NONCOPYABLE(ScopedPersistent);
 public:
     ScopedPersistent() { }
 
-    explicit ScopedPersistent(v8::Handle<T> handle)
-        : m_handle(v8::Isolate::GetCurrent(), handle)
+    ScopedPersistent(v8::Isolate* isolate, v8::Handle<T> handle)
+        : m_handle(isolate, handle)
     {
     }
 
     ~ScopedPersistent()
     {
         clear();
     }
 
     ALWAYS_INLINE v8::Local<T> newLocal(v8::Isolate* isolate) const
     {
@@ skipping 35 matching lines @@
     {
         return m_handle;
     }
 
     v8::Persistent<T> m_handle;
 };
 
 } // namespace WebCore
 
 #endif // ScopedPersistent_h