mus: Change PointerWatcher to observe all pointer events, with moves optional.

ash/shelf/shelf_tooltip_manager.cc

Index: ash/shelf/shelf_tooltip_manager.cc
diff --git a/ash/shelf/shelf_tooltip_manager.cc b/ash/shelf/shelf_tooltip_manager.cc
index 35a83a23d6808631583798d291725a3777f2df40..7837d8ff906a680fa9b6775b16d76c4e26fe45b2 100644
--- a/ash/shelf/shelf_tooltip_manager.cc
+++ b/ash/shelf/shelf_tooltip_manager.cc
@@ -173,18 +173,13 @@ void ShelfTooltipManager::ShowTooltipWithDelay(views::View* view) {
   }
 }
 
-void ShelfTooltipManager::OnMousePressed(const ui::MouseEvent& event,
-                                         const gfx::Point& location_in_screen,
-                                         views::Widget* target) {
-  // Close on any mouse press events inside or outside the tooltip.
-  Close();
-}
-
-void ShelfTooltipManager::OnTouchPressed(const ui::TouchEvent& event,
-                                         const gfx::Point& location_in_screen,
-                                         views::Widget* target) {
-  // Close on any touch press events inside or outside the tooltip.
-  Close();
+void ShelfTooltipManager::OnPointerWatcherEvent(
+    const ui::PointerEvent& event,
+    const gfx::Point& location_in_screen,
+    views::Widget* target) {
+  // Close on any press events inside or outside the tooltip.
+  if (event.type() == ui::ET_POINTER_DOWN)
+    Close();
 }
 
 void ShelfTooltipManager::OnEvent(ui::Event* event) {