Remove HiResEventTimeStamp runtime flag (status=stable)

third_party/WebKit/Source/core/events/Event.h

 /*
  * Copyright (C) 2001 Peter Kelly (pmk@post.com)
  * Copyright (C) 2001 Tobias Anton (anton@stud.fbi.fh-darmstadt.de)
  * Copyright (C) 2006 Samuel Weinig (sam.weinig@gmail.com)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 123 matching lines @@
 
     bool bubbles() const { return m_canBubble; }
     bool cancelable() const { return m_cancelable; }
     bool composed() const { return m_composed; }
     bool isScopedInV0() const;
 
     // Event creation timestamp in milliseconds. If |HiResEventTimeStamp|
     // runtime feature is enabled it returns a DOMHighResTimeStamp using the
     // platform timestamp (see |m_platformTimeStamp|) otherwise it returns a
     // DOMTimeStamp that represents the current object's construction time (see
     // |m_createTime|). For more info see http://crbug.com/160524

[majidvp, 2016/07/22 17:53:01]

Please update this comment as well. Also relevant comment in Event.idl.

     double timeStamp(ScriptState*) const;
     double platformTimeStamp() const { return m_platformTimeStamp; }
-    DOMTimeStamp createTime() const { return m_createTime; }
 
     void stopPropagation() { m_propagationStopped = true; }
     void stopImmediatePropagation() { m_immediatePropagationStopped = true; }
 
     // IE Extensions
     EventTarget* srcElement() const { return target(); } // MSIE extension - "the object that fired the event"
 
     bool legacyReturnValue(ExecutionContext*) const;
     void setLegacyReturnValue(ExecutionContext*, bool returnValue);
 
@@ skipping 91 matching lines @@
     unsigned m_defaultPrevented:1;
     unsigned m_defaultHandled:1;
     unsigned m_cancelBubble:1;
     unsigned m_wasInitialized:1;
     unsigned m_isTrusted : 1;
     unsigned m_handlingPassive : 1;
 
     unsigned short m_eventPhase;
     Member<EventTarget> m_currentTarget;
     Member<EventTarget> m_target;
-    DOMTimeStamp m_createTime;
     Member<Event> m_underlyingEvent;
     Member<EventPath> m_eventPath;
     // The monotonic platform time in seconds, for input events it is the
     // event timestamp provided by the host OS and reported in the original
     // WebInputEvent instance.
     double m_platformTimeStamp;
 };
 
 #define DEFINE_EVENT_TYPE_CASTS(typeName) \
     DEFINE_TYPE_CASTS(typeName, Event, event, event->is##typeName(), event.is##typeName())
 
 } // namespace blink
 
 #endif // Event_h