Add Isolate parameter to Persistent class.

src/d8.h

Index: src/d8.h
diff --git a/src/d8.h b/src/d8.h
index 63efd665c3f036a071678cbf531a683dc1139723..1c3ce0a122ec8bbe776f42332001ef81b77cdf3c 100644
--- a/src/d8.h
+++ b/src/d8.h
@@ -404,7 +404,9 @@ class Shell : public i::AllStatic {
   static Handle<Value> CreateExternalArray(const Arguments& args,
                                            ExternalArrayType type,
                                            int32_t element_size);
-  static void ExternalArrayWeakCallback(Persistent<Value> object, void* data);
+  static void ExternalArrayWeakCallback(Isolate* isolate,
+                                        Persistent<Value> object,
+                                        void* data);
 };