Drop document.createEvent support for things still behind a flag

third_party/WebKit/Source/modules/sensor/SensorErrorEvent.h

 // Copyright 2016 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 SensorErrorEvent_h
 #define SensorErrorEvent_h
 
 #include "core/events/ErrorEvent.h"
 #include "modules/EventModules.h"
 #include "modules/sensor/SensorErrorEventInit.h"
 #include "platform/heap/Handle.h"
 
 namespace blink {
 
 class SensorErrorEvent : public Event {
     DEFINE_WRAPPERTYPEINFO();
 
 public:
-    static SensorErrorEvent* create()
-    {
-        return new SensorErrorEvent;
-    }
-
     static SensorErrorEvent* create(const AtomicString& eventType)
     {
         return new SensorErrorEvent(eventType);
     }
 
     static SensorErrorEvent* create(const AtomicString& eventType, const SensorErrorEventInit& initializer)
     {
         return new SensorErrorEvent(eventType, initializer);
     }
 
     ~SensorErrorEvent() override;
 
     DECLARE_VIRTUAL_TRACE();
 
     const AtomicString& interfaceName() const override;
 
-    SensorErrorEvent();
     explicit SensorErrorEvent(const AtomicString& eventType);
     SensorErrorEvent(const AtomicString& eventType, const SensorErrorEventInit& initializer);
 
 };
 
 DEFINE_TYPE_CASTS(SensorErrorEvent, Event, event, event->interfaceName() == EventNames::SensorErrorEvent, event.interfaceName() == EventNames::SensorErrorEvent);
 
 } // namepsace blink
 
 #endif // SensorErrorEvent_h