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

third_party/WebKit/Source/core/page/DragController.cpp

 /*
  * Copyright (C) 2007, 2009, 2010 Apple Inc. All rights reserved.
  * Copyright (C) 2008 Google Inc.
  *
  * 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
@@ skipping 104 matching lines @@
   NOTREACHED();
   return false;
 }
 #endif  // DCHECK_IS_ON()
 
 static PlatformMouseEvent createMouseEvent(DragData* dragData) {
   return PlatformMouseEvent(
       dragData->clientPosition(), dragData->globalPosition(),
       WebPointerProperties::Button::Left, PlatformEvent::MouseMoved, 0,
       static_cast<PlatformEvent::Modifiers>(dragData->modifiers()),
-      PlatformMouseEvent::RealOrIndistinguishable,
-      monotonicallyIncreasingTime());
+      PlatformMouseEvent::RealOrIndistinguishable, TimeTicks::Now());
 }
 
 static DataTransfer* createDraggingDataTransfer(DataTransferAccessPolicy policy,
                                                 DragData* dragData) {
   return DataTransfer::create(DataTransfer::DragAndDrop, policy,
                               dragData->platformData());
 }
 
 DragController::DragController(Page* page)
     : m_page(page),
@@ skipping 1084 matching lines @@
 }
 
 DEFINE_TRACE(DragController) {
   visitor->trace(m_page);
   visitor->trace(m_documentUnderMouse);
   visitor->trace(m_dragInitiator);
   visitor->trace(m_fileInputElementUnderMouse);
 }
 
 }  // namespace blink