Pass isolate to ScopedPersistent constructor

Source/bindings/templates/callback_interface.cpp

 /*
  * Copyright (C) 2013 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 25 matching lines @@
 {% endif %}
 #include "{{v8_class_name}}.h"
 
 {% for filename in cpp_includes %}
 #include "{{filename}}"
 {% endfor %}
 namespace WebCore {
 
 {{v8_class_name}}::{{v8_class_name}}(v8::Handle<v8::Object> callback, ScriptExecutionContext* context)
     : ActiveDOMCallback(context)
-    , m_callback(callback)
+    , m_callback(isolateForScriptExecutionContext(context), callback)
     , m_world(DOMWrapperWorld::current())
 {
 }
 
 {{v8_class_name}}::~{{v8_class_name}}()
 {
 }
 
 {% for method in methods %}
 {% if not method.custom %}
@@ skipping 29 matching lines @@
     return !invokeCallback(m_callback.newLocal(isolate), {{method.arguments | length}}, argv, callbackReturnValue, scriptExecutionContext(), isolate);
 }
 
 {% endif %}
 {% endfor %}{# for method in methods #}
 } // namespace WebCore
 
 {% if conditional_string %}
 #endif // {{conditional_string}}
 {% endif %}