Remove non-standard DeviceOrientation Event initializers.

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 33 matching lines @@
   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;
@@ skipping 13 matching lines @@
 
 DEFINE_TYPE_CASTS(DeviceMotionEvent,
                   Event,
                   event,
                   event->interfaceName() == EventNames::DeviceMotionEvent,
                   event.interfaceName() == EventNames::DeviceMotionEvent);
 
 }  // namespace blink
 
 #endif  // DeviceMotionEvent_h