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

ui/events/blink/blink_event_util_unittest.cc

Index: ui/events/blink/blink_event_util_unittest.cc
diff --git a/ui/events/blink/blink_event_util_unittest.cc b/ui/events/blink/blink_event_util_unittest.cc
index 25a7d58a3f8f685718c08d3452bbb2f211de1b97..49f7dd0c5b4bb00cacea1d0385db171a40ea6a73 100644
--- a/ui/events/blink/blink_event_util_unittest.cc
+++ b/ui/events/blink/blink_event_util_unittest.cc
@@ -17,8 +17,11 @@ TEST(BlinkEventUtilTest, NoScalingWith1DSF) {
   ui::GestureEventDetails details(ui::ET_GESTURE_SCROLL_UPDATE, 1, 1);
   details.set_device_type(ui::GestureDeviceType::DEVICE_TOUCHSCREEN);
   auto event =
-      CreateWebGestureEvent(details, base::TimeDelta::FromMilliseconds(1),
-                            gfx::PointF(1.f, 1.f), gfx::PointF(1.f, 1.f), 0);
+      CreateWebGestureEvent(details,
+                            base::TimeTicks(),
+                            gfx::PointF(1.f, 1.f),
+                            gfx::PointF(1.f, 1.f),
+                            0);
   EXPECT_FALSE(ScaleWebInputEvent(event, 1.f));
   EXPECT_TRUE(ScaleWebInputEvent(event, 2.f));
 }