gestures: Some more event cleanup.

ash/launcher/launcher_tooltip_manager_unittest.cc

Index: ash/launcher/launcher_tooltip_manager_unittest.cc
diff --git a/ash/launcher/launcher_tooltip_manager_unittest.cc b/ash/launcher/launcher_tooltip_manager_unittest.cc
index 04d28c14538c9900b746a109599133f6e49b9936..29c17ba143e705e7c70e5f5f85e30a902bb3021f 100644
--- a/ash/launcher/launcher_tooltip_manager_unittest.cc
+++ b/ash/launcher/launcher_tooltip_manager_unittest.cc
@@ -162,7 +162,8 @@ TEST_F(LauncherTooltipManagerTest, ShouldHideForEvents) {
 
   // Should hide for gesture events.
   ui::GestureEvent gesture_event(
-      ui::ET_GESTURE_BEGIN, 0, 0, ui::EF_NONE, base::Time(),
+      ui::ET_GESTURE_BEGIN, 0, 0, ui::EF_NONE,
+      base::TimeDelta::FromMilliseconds(base::Time::Now().ToDoubleT() * 1000),
       ui::GestureEventDetails(ui::ET_GESTURE_BEGIN, 0.0f, 0.0f), 0);
   EXPECT_EQ(ui::GESTURE_STATUS_UNKNOWN,
             event_filter->PreHandleGestureEvent(root_window, &gesture_event));