Use event init dictionary in modules/device_light

Source/modules/device_light/DeviceLightEvent.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef DeviceLightEvent_h
 #define DeviceLightEvent_h
 
 #include "modules/EventModules.h"
+#include "modules/device_light/DeviceLightEventInit.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
-struct DeviceLightEventInit : public EventInit {
-    DeviceLightEventInit()
-        : value(std::numeric_limits<double>::infinity())
-    {
-        bubbles = true;
-    };
-
-    double value;
-};
-
 class DeviceLightEvent final : public Event {
     DEFINE_WRAPPERTYPEINFO();
 public:
     virtual ~DeviceLightEvent();
 
     static PassRefPtrWillBeRawPtr<DeviceLightEvent> create()
     {
         return adoptRefWillBeNoop(new DeviceLightEvent);
     }
     static PassRefPtrWillBeRawPtr<DeviceLightEvent> create(const AtomicString& eventType, double value)
@@ skipping 15 matching lines @@
     DeviceLightEvent(const AtomicString& eventType, const DeviceLightEventInit& initializer);
 
     double m_value;
 };
 
 DEFINE_TYPE_CASTS(DeviceLightEvent, Event, event, event->interfaceName() == EventNames::DeviceLightEvent, event.interfaceName() == EventNames::DeviceLightEvent);
 
 } // namespace blink
 
 #endif // DeviceLightEvent_h