Merge 89236 - 2011-06-19 Mads Ager <ager@chromium.org>

Source/WebCore/bindings/v8/V8Proxy.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 398 matching lines @@
         return v8::Undefined();
     }
 
     inline v8::Handle<v8::Primitive> throwError(v8::Local<v8::Value> exception)
     {
         if (!v8::V8::IsExecutionTerminating())
             v8::ThrowException(exception);
         return v8::Undefined();
     }
 
-    template <class T> inline v8::Handle<v8::Object> toV8(PassRefPtr<T> object, v8::Local<v8::Object> holder)
+    enum IndependentMode {
+        MarkIndependent,
+        DoNotMarkIndependent
+    };
+
+    template <class T> inline v8::Handle<v8::Object> toV8(PassRefPtr<T> object, v8::Local<v8::Object> holder, IndependentMode independent = DoNotMarkIndependent)
     {
         object->ref();
-        V8DOMWrapper::setJSWrapperForDOMObject(object.get(), v8::Persistent<v8::Object>::New(holder));
+        v8::Persistent<v8::Object> handle = v8::Persistent<v8::Object>::New(holder);
+        if (independent == MarkIndependent)
+            handle.MarkIndependent();
+        V8DOMWrapper::setJSWrapperForDOMObject(object.get(), handle);
         return holder;
     }
 
 }
 
 #endif // V8Proxy_h