Use WTF::TimeTicks to represent timestamp in Platform/Core event types

third_party/WebKit/Source/core/events/FocusEvent.cpp

 /*
  * Copyright (C) 2013 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:
  * 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 @@
                        bool canBubble,
                        bool cancelable,
                        AbstractView* view,
                        int detail,
                        EventTarget* relatedTarget,
                        InputDeviceCapabilities* sourceCapabilities)
     : UIEvent(type,
               canBubble,
               cancelable,
               ComposedMode::Composed,
-              WTF::monotonicallyIncreasingTime(),
+              TimeTicks::Now(),
               view,
               detail,
               sourceCapabilities),
       m_relatedTarget(relatedTarget) {}
 
 FocusEvent::FocusEvent(const AtomicString& type,
                        const FocusEventInit& initializer)
     : UIEvent(type, initializer) {
   if (initializer.hasRelatedTarget())
     m_relatedTarget = initializer.relatedTarget();
@@ skipping 17 matching lines @@
     : EventDispatchMediator(focusEvent) {}
 
 DispatchEventResult FocusEventDispatchMediator::dispatchEvent(
     EventDispatcher& dispatcher) const {
   event().eventPath().adjustForRelatedTarget(dispatcher.node(),
                                              event().relatedTarget());
   return EventDispatchMediator::dispatchEvent(dispatcher);
 }
 
 }  // namespace blink