Fix InstallPhaseEvent so that instances can be passed to script.

Source/modules/serviceworkers/InstallPhaseEvent.cpp

 /*
  * Copyright (C) 2014 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 13 matching lines @@
  * 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.
  */
 
 #include "config.h"
 #include "InstallPhaseEvent.h"
 
+#include "bindings/v8/ScriptWrappable.h"
 #include "modules/serviceworkers/WaitUntilObserver.h"
-#include "platform/NotImplemented.h"
 
 namespace WebCore {
 
 PassRefPtrWillBeRawPtr<InstallPhaseEvent> InstallPhaseEvent::create()
 {
     return adoptRefWillBeRefCountedGarbageCollected(new InstallPhaseEvent());
 }
 
 InstallPhaseEvent::~InstallPhaseEvent()
 {
 }
 
 void InstallPhaseEvent::waitUntil(const ScriptValue& value)
 {
     m_observer->waitUntil(value);
 }
 
 InstallPhaseEvent::InstallPhaseEvent()
 {
+    ScriptWrappable::init(this);
 }
 
 InstallPhaseEvent::InstallPhaseEvent(const AtomicString& type, const EventInit& initializer, PassRefPtr<WaitUntilObserver> observer)
     : Event(type, initializer)
     , m_observer(observer)
 {
+    ScriptWrappable::init(this);
+}
+
+const AtomicString& InstallPhaseEvent::interfaceName() const
+{
+    return EventNames::InstallPhaseEvent;
 }
 
 void InstallPhaseEvent::trace(Visitor* visitor)
 {
     Event::trace(visitor);
 }
 
 } // namespace WebCore