Implement DeviceMotionEvent constructor.

third_party/WebKit/Source/modules/device_orientation/DeviceMotionEvent.h

 /*
  * Copyright (C) 2010 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #ifndef DeviceMotionEvent_h
 #define DeviceMotionEvent_h
 
 #include "modules/EventModules.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class DeviceAcceleration;
 class DeviceMotionData;
+class DeviceMotionEventInit;
 class DeviceRotationRate;
 
 class DeviceMotionEvent final : public Event {
   DEFINE_WRAPPERTYPEINFO();
 
  public:
   ~DeviceMotionEvent() override;
   static DeviceMotionEvent* create() { return new DeviceMotionEvent; }
   static DeviceMotionEvent* create(const AtomicString& eventType,
+                                   const DeviceMotionEventInit& initializer) {
+    return new DeviceMotionEvent(eventType, initializer);
+  }
+  static DeviceMotionEvent* create(const AtomicString& eventType,
                                    DeviceMotionData* deviceMotionData) {
     return new DeviceMotionEvent(eventType, deviceMotionData);
   }
 
   void initDeviceMotionEvent(const AtomicString& type,
                              bool bubbles,
                              bool cancelable,
                              DeviceMotionData*);
 
   DeviceMotionData* getDeviceMotionData() const {
     return m_deviceMotionData.get();
   }
 
   DeviceAcceleration* acceleration();
   DeviceAcceleration* accelerationIncludingGravity();
   DeviceRotationRate* rotationRate();
   double interval(bool& isNull) const;
 
   const AtomicString& interfaceName() const override;
 
   DECLARE_VIRTUAL_TRACE();
 
  private:
   DeviceMotionEvent();
+  DeviceMotionEvent(const AtomicString&, const DeviceMotionEventInit&);
   DeviceMotionEvent(const AtomicString& eventType, DeviceMotionData*);
 
   Member<DeviceMotionData> m_deviceMotionData;
   Member<DeviceAcceleration> m_acceleration;
   Member<DeviceAcceleration> m_accelerationIncludingGravity;
   Member<DeviceRotationRate> m_rotationRate;
 };
 
 DEFINE_TYPE_CASTS(DeviceMotionEvent,
                   Event,
                   event,
                   event->interfaceName() == EventNames::DeviceMotionEvent,
                   event.interfaceName() == EventNames::DeviceMotionEvent);
 
 }  // namespace blink
 
 #endif  // DeviceMotionEvent_h