Revert "Revert "Dartium changes for custom element lifecycle events.""

Source/bindings/dart/DartCustomElementBinding.h

 /*
  * 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 10 matching lines @@
  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#ifndef WorkerCrypto_h
-#define WorkerCrypto_h
+#ifndef DartCustomElementBinding_h
+#define DartCustomElementBinding_h
 
-#include "bindings/v8/ScriptWrappable.h"
-#include "wtf/Forward.h"
+#include "wtf/PassOwnPtr.h"
 #include "wtf/PassRefPtr.h"
-#include "wtf/RefCounted.h"
+
+#include <dart_api.h>
 
 namespace WebCore {
 
-class WorkerCrypto : public ScriptWrappable, public RefCounted<WorkerCrypto> {
+class DartCustomElementBinding {
 public:
-    static PassRefPtr<WorkerCrypto> create() { return adoptRef(new WorkerCrypto()); }
+    static PassOwnPtr<DartCustomElementBinding> create(Dart_Handle customType);
+
+    Dart_PersistentHandle customType() { return m_customType; }
 
 private:
-    WorkerCrypto();
+    DartCustomElementBinding(Dart_Handle customType);
+    Dart_PersistentHandle m_customType;
 };
 
 }
 
-#endif
+#endif // CustomElementBinding_h