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

chrome/browser/chromeos/events/event_rewriter_unittest.cc

Index: chrome/browser/chromeos/events/event_rewriter_unittest.cc
diff --git a/chrome/browser/chromeos/events/event_rewriter_unittest.cc b/chrome/browser/chromeos/events/event_rewriter_unittest.cc
index ab3c767d366d57e6ca74bb82c69a71c8a04d5fb9..6df09fc4233d63a9a11532d1d35ec74b48ec64c1 100644
--- a/chrome/browser/chromeos/events/event_rewriter_unittest.cc
+++ b/chrome/browser/chromeos/events/event_rewriter_unittest.cc
@@ -1860,7 +1860,7 @@ TEST_F(EventRewriterTest, TestRewriteNonNativeEvent) {
   const int kTouchId = 2;
   gfx::Point location(0, 0);
   ui::TouchEvent press(ui::ET_TOUCH_PRESSED, location, kTouchId,
-                       base::TimeDelta());
+                       base::TimeTicks());
   press.set_flags(ui::EF_CONTROL_DOWN);
 #if defined(USE_X11)
   ui::UpdateX11EventForFlags(&press);