mus: Change PointerWatcher to watch for all events.

ash/common/shelf/overflow_bubble.cc

Index: ash/common/shelf/overflow_bubble.cc
diff --git a/ash/common/shelf/overflow_bubble.cc b/ash/common/shelf/overflow_bubble.cc
index 0a5428ab3d96e75b88fbd295f1dc538efe66bdd2..2bc1047731c384d90a5fbc28f39467d9e0953f8d 100644
--- a/ash/common/shelf/overflow_bubble.cc
+++ b/ash/common/shelf/overflow_bubble.cc
@@ -71,15 +71,10 @@ void OverflowBubble::ProcessPressedEvent(
   }
 }
 
-void OverflowBubble::OnMousePressed(const ui::MouseEvent& event,
-                                    const gfx::Point& location_in_screen,
-                                    views::Widget* target) {
-  ProcessPressedEvent(location_in_screen);
-}
-
-void OverflowBubble::OnTouchPressed(const ui::TouchEvent& event,
-                                    const gfx::Point& location_in_screen,
-                                    views::Widget* target) {
+void OverflowBubble::OnPointerEventObserved(
+    const ui::LocatedEvent& event,
+    const gfx::Point& location_in_screen,
+    views::Widget* target) {
   ProcessPressedEvent(location_in_screen);

[James Cook, 2016/07/22 22:06:26]

For example, I would expect you to have to check the event type here. The
AddPointerWatcher call above doesn't specify any filtering specific to
mousedown.

 }