mus: Rename .*PointerWatcher.* to .*PointerDownWatcher.*.

ui/views/mus/window_manager_connection.h

Index: ui/views/mus/window_manager_connection.h
diff --git a/ui/views/mus/window_manager_connection.h b/ui/views/mus/window_manager_connection.h
index ea9619ea287a2db3e0047678724d4fb60c73d6ef..ce446d5e660b7c64211c64132bb4bb8d0e5bb569 100644
--- a/ui/views/mus/window_manager_connection.h
+++ b/ui/views/mus/window_manager_connection.h
@@ -27,7 +27,7 @@ class Connector;
 namespace views {
 class ClipboardMus;
 class NativeWidget;
-class PointerWatcher;
+class PointerDownWatcher;
 class TouchEventWatcher;
 class ScreenMus;
 namespace internal {
@@ -65,8 +65,8 @@ class VIEWS_MUS_EXPORT WindowManagerConnection
       const Widget::InitParams& init_params,
       internal::NativeWidgetDelegate* delegate);
 
-  void AddPointerWatcher(PointerWatcher* watcher);
-  void RemovePointerWatcher(PointerWatcher* watcher);
+  void AddPointerDownWatcher(PointerDownWatcher* watcher);
+  void RemovePointerDownWatcher(PointerDownWatcher* watcher);
 
   void AddTouchEventWatcher(TouchEventWatcher* watcher);
   void RemoveTouchEventWatcher(TouchEventWatcher* watcher);
@@ -80,7 +80,7 @@ class VIEWS_MUS_EXPORT WindowManagerConnection
                           const shell::Identity& identity);
 
   // Returns true if there is one or more watchers for this client.
-  bool HasPointerWatcher();
+  bool HasPointerDownWatcher();
   bool HasTouchEventWatcher();
 
   // ui::WindowTreeClientDelegate:
@@ -97,7 +97,7 @@ class VIEWS_MUS_EXPORT WindowManagerConnection
   std::unique_ptr<ScreenMus> screen_;
   std::unique_ptr<ui::WindowTreeClient> client_;
   // Must be empty on destruction.
-  base::ObserverList<PointerWatcher, true> pointer_watchers_;
+  base::ObserverList<PointerDownWatcher, true> pointer_down_watchers_;
   base::ObserverList<TouchEventWatcher, true> touch_event_watchers_;
 
   DISALLOW_COPY_AND_ASSIGN(WindowManagerConnection);