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

third_party/WebKit/Source/web/WebViewImpl.cpp

 /*
  * Copyright (C) 2011, 2012 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:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 1941 matching lines @@
   if (m_gestureAnimation) {
     if (m_gestureAnimation->animate(lastFrameTimeMonotonic))
       mainFrameImpl()->frameWidget()->scheduleAnimation();
     else {
       DCHECK_NE(m_flingSourceDevice, WebGestureDeviceUninitialized);
       WebGestureDevice lastFlingSourceDevice = m_flingSourceDevice;
       endActiveFlingAnimation();
 
       PlatformGestureEvent endScrollEvent(
           PlatformEvent::GestureScrollEnd, m_positionOnFlingStart,
-          m_globalPositionOnFlingStart, IntSize(), 0,
+          m_globalPositionOnFlingStart, IntSize(), TimeTicks(),
           PlatformEvent::NoModifiers,
           lastFlingSourceDevice == WebGestureDeviceTouchpad
               ? PlatformGestureSourceTouchpad
               : PlatformGestureSourceTouchscreen);
       endScrollEvent.setScrollGestureData(0, 0, ScrollByPrecisePixel, 0, 0,
                                           ScrollInertialPhaseMomentum, false,
                                           -1 /* null plugin id */);
 
       mainFrameImpl()->frame()->eventHandler().handleGestureScrollEnd(
           endScrollEvent);
@@ skipping 2241 matching lines @@
   if (focusedFrame->localFrameRoot() != mainFrameImpl()->frame())
     return nullptr;
   return focusedFrame;
 }
 
 LocalFrame* WebViewImpl::focusedLocalFrameAvailableForIme() const {
   return m_imeAcceptEvents ? focusedLocalFrameInWidget() : nullptr;
 }
 
 }  // namespace blink