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

ui/views/view_targeter_unittest.cc

Index: ui/views/view_targeter_unittest.cc
diff --git a/ui/views/view_targeter_unittest.cc b/ui/views/view_targeter_unittest.cc
index ea579d59f931323516ed7dae281ce3383eb6015f..620cfea3601ebddc959c3732367eb9547a55fd1b 100644
--- a/ui/views/view_targeter_unittest.cc
+++ b/ui/views/view_targeter_unittest.cc
@@ -233,14 +233,14 @@ class GestureEventForTest : public ui::GestureEvent {
       : GestureEvent(x,
                      y,
                      0,
-                     base::TimeDelta(),
+                     base::TimeTicks(),
                      ui::GestureEventDetails(type)) {}
 
   GestureEventForTest(ui::GestureEventDetails details)
       : GestureEvent(details.bounding_box().CenterPoint().x(),
                      details.bounding_box().CenterPoint().y(),
                      0,
-                     base::TimeDelta(),
+                     base::TimeTicks(),
                      details) {}
 };