mus: Change PointerWatcher to watch for all events.

ash/common/system/tray/tray_event_filter.cc

Index: ash/common/system/tray/tray_event_filter.cc
diff --git a/ash/common/system/tray/tray_event_filter.cc b/ash/common/system/tray/tray_event_filter.cc
index 3b277ccf184456965bfa1ee9e23c71eec44d9635..5086c64fe973c0162b9e1cef4fb10c4d37afa6ab 100644
--- a/ash/common/system/tray/tray_event_filter.cc
+++ b/ash/common/system/tray/tray_event_filter.cc
@@ -34,15 +34,10 @@ void TrayEventFilter::RemoveWrapper(TrayBubbleWrapper* wrapper) {
     WmShell::Get()->RemovePointerWatcher(this);
 }
 
-void TrayEventFilter::OnMousePressed(const ui::MouseEvent& event,
-                                     const gfx::Point& location_in_screen,
-                                     views::Widget* target) {
-  ProcessPressedEvent(location_in_screen, target);
-}
-
-void TrayEventFilter::OnTouchPressed(const ui::TouchEvent& event,
-                                     const gfx::Point& location_in_screen,
-                                     views::Widget* target) {
+void TrayEventFilter::OnPointerEventObserved(
+    const ui::LocatedEvent& event,
+    const gfx::Point& location_in_screen,
+    views::Widget* target) {
   ProcessPressedEvent(location_in_screen, target);
 }