Implement DeviceOrientationEvent constructor.

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

 /*
  * Copyright (C) 2010 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 copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 13 matching lines @@
  */
 
 #ifndef DeviceOrientationData_h
 #define DeviceOrientationData_h
 
 #include "bindings/core/v8/Nullable.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
+class DeviceOrientationEventInit;
 class WebDeviceOrientationData;
 
 class DeviceOrientationData final
     : public GarbageCollected<DeviceOrientationData> {
  public:
   static DeviceOrientationData* create();
   static DeviceOrientationData* create(const Nullable<double>& alpha,
                                        const Nullable<double>& beta,
                                        const Nullable<double>& gamma,
                                        bool absolute);
+  static DeviceOrientationData* create(const DeviceOrientationEventInit&);
   static DeviceOrientationData* create(const WebDeviceOrientationData&);
   DEFINE_INLINE_TRACE() {}
 
   double alpha() const;
   double beta() const;
   double gamma() const;
   bool absolute() const;
   bool canProvideAlpha() const;
   bool canProvideBeta() const;
   bool canProvideGamma() const;
 
   bool canProvideEventData() const;
 
  private:
   DeviceOrientationData();
   DeviceOrientationData(const Nullable<double>& alpha,
                         const Nullable<double>& beta,
                         const Nullable<double>& gamma,
                         bool absolute);
 
   Nullable<double> m_alpha;
   Nullable<double> m_beta;
   Nullable<double> m_gamma;
   bool m_absolute;
 };
 
 }  // namespace blink
 
 #endif  // DeviceOrientationData_h