[bindings] Eliminate custom bindings for DeviceOrientationEvent.

Source/modules/device_orientation/DeviceOrientationEvent.h

 /*
  * Copyright 2010, The Android Open Source Project
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 #ifndef DeviceOrientationEvent_h
 #define DeviceOrientationEvent_h
 
+#include "bindings/core/v8/Nullable.h"
 #include "modules/EventModules.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class DeviceOrientationData;
 
 class DeviceOrientationEvent final : public Event {
     DEFINE_WRAPPERTYPEINFO();
 public:
     virtual ~DeviceOrientationEvent();
     static PassRefPtrWillBeRawPtr<DeviceOrientationEvent> create()
     {
         return adoptRefWillBeNoop(new DeviceOrientationEvent);
     }
     static PassRefPtrWillBeRawPtr<DeviceOrientationEvent> create(const AtomicString& eventType, DeviceOrientationData* orientation)
     {
         return adoptRefWillBeNoop(new DeviceOrientationEvent(eventType, orientation));
     }
 
-    void initDeviceOrientationEvent(const AtomicString& type, bool bubbles, bool cancelable, DeviceOrientationData*);
+    void initDeviceOrientationEvent(const AtomicString& type, bool bubbles, bool cancelable, const Nullable<double>& alpha, const Nullable<double>& beta, const Nullable<double>& gamma, const Nullable<bool>& absolute);
 
     DeviceOrientationData* orientation() const { return m_orientation.get(); }
 
     double alpha(bool& isNull) const;
     double beta(bool& isNull) const;
     double gamma(bool& isNull) const;
     bool absolute(bool& isNull) const;
 
     virtual const AtomicString& interfaceName() const override;
 
     DECLARE_VIRTUAL_TRACE();
 
 private:
     DeviceOrientationEvent();
     DeviceOrientationEvent(const AtomicString& eventType, DeviceOrientationData*);
 
     PersistentWillBeMember<DeviceOrientationData> m_orientation;
 };
 
 DEFINE_TYPE_CASTS(DeviceOrientationEvent, Event, event, event->interfaceName() == EventNames::DeviceOrientationEvent, event.interfaceName() == EventNames::DeviceOrientationEvent);
 
 } // namespace blink
 
 #endif // DeviceOrientationEvent_h