mash: Create and show a shelf in mash.

ui/views/mus/pointer_watcher_event_router.h

 // Copyright 2016 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef UI_VIEWS_MUS_POINTER_WATCHER_EVENT_ROUTER_H_
 #define UI_VIEWS_MUS_POINTER_WATCHER_EVENT_ROUTER_H_
 
 #include "base/compiler_specific.h"
 #include "base/macros.h"
 #include "base/observer_list.h"
@@ skipping 26 matching lines @@
   void AddPointerWatcher(PointerWatcher* watcher, bool want_moves);
   void RemovePointerWatcher(PointerWatcher* watcher);
 
  private:
   // Returns true if there is one or more watchers for this client.
   bool HasPointerWatcher();
 
   // ui::WindowTreeClientObserver:
   void OnWindowTreeCaptureChanged(ui::Window* gained_capture,
                                   ui::Window* lost_capture) override;
-  void OnWillDestroyClient(ui::WindowTreeClient* client) override;
+  void OnDidDestroyClient(ui::WindowTreeClient* client) override;
 
   ui::WindowTreeClient* window_tree_client_;
   base::ObserverList<PointerWatcher, true> pointer_watchers_;
   bool pointer_watcher_want_moves_ = false;
 
   DISALLOW_COPY_AND_ASSIGN(PointerWatcherEventRouter);
 };
 
 }  // namespace views
 
 #endif  // UI_VIEWS_MUS_POINTER_WATCHER_EVENT_ROUTER_H_