Move modules-dependent Event code out of core.

Source/modules/serviceworkers/InstallPhaseEvent.h

 /*
  * 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 14 matching lines @@
  * 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 InstallPhaseEvent_h
 #define InstallPhaseEvent_h
 
 #include "bindings/v8/ScriptValue.h"
-#include "core/events/Event.h"
+#include "modules/EventModules.h"
 
 namespace WebCore {
 
 class WaitUntilObserver;
 
 class InstallPhaseEvent : public Event {
 public:
     static PassRefPtrWillBeRawPtr<InstallPhaseEvent> create();
     static PassRefPtrWillBeRawPtr<InstallPhaseEvent> create(const AtomicString& type, const EventInit&, PassRefPtr<WaitUntilObserver>);
 
     virtual ~InstallPhaseEvent();
 
     void waitUntil(const ScriptValue&);
 
     virtual const AtomicString& interfaceName() const OVERRIDE;
     virtual void trace(Visitor*) OVERRIDE;
 
 protected:
     InstallPhaseEvent();
     InstallPhaseEvent(const AtomicString& type, const EventInit&, PassRefPtr<WaitUntilObserver>);
 
     RefPtr<WaitUntilObserver> m_observer;
 };
 
 } // namespace WebCore
 
 #endif // InstallPhaseEvent_h