Change ui::Event::time_stamp from TimeDelta to TimeTicks

content/browser/renderer_host/ui_events_helper.cc

Index: content/browser/renderer_host/ui_events_helper.cc
diff --git a/content/browser/renderer_host/ui_events_helper.cc b/content/browser/renderer_host/ui_events_helper.cc
index a062303cc07e63ebe066c615d61f5640e46030db..6c958df4547c4250d3a671f7ff728a8e06cdc9ef 100644
--- a/content/browser/renderer_host/ui_events_helper.cc
+++ b/content/browser/renderer_host/ui_events_helper.cc
@@ -64,8 +64,8 @@ bool MakeUITouchEventsFromWebTouchEvents(
   }
 
   int flags = WebEventModifiersToEventFlags(touch.modifiers);
-  base::TimeDelta timestamp = base::TimeDelta::FromMicroseconds(
-      static_cast<int64_t>(touch.timeStampSeconds * 1000000));
+  base::TimeTicks timestamp =
+      base::TimeTicks() + base::TimeDelta::FromSecondsD(touch.timeStampSeconds);
   for (unsigned i = 0; i < touch.touchesLength; ++i) {
     const blink::WebTouchPoint& point = touch.touches[i];
     if (WebTouchPointStateToEventType(point.state) != type)