Cleanup after removing views-mus code

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_ROUTER2_H_
-#define UI_VIEWS_MUS_POINTER_WATCHER_EVENT_ROUTER2_H_
+#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"
 #include "ui/aura/client/capture_client_observer.h"
 #include "ui/aura/mus/window_tree_client_observer.h"
 #include "ui/views/mus/mus_export.h"
 
 namespace aura {
 class WindowTreeClient;
 }
 
 namespace ui {
 class PointerEvent;
 }
 
 namespace views {
 
 class PointerWatcher;
-class PointerWatcherEventRouter2Test;
+class PointerWatcherEventRouterTest;
 
-// PointerWatcherEventRouter2 is responsible for maintaining the list of
+// PointerWatcherEventRouter is responsible for maintaining the list of
 // PointerWatchers and notifying appropriately. It is expected the owner of
-// PointerWatcherEventRouter2 is a WindowTreeClientDelegate and calls
+// PointerWatcherEventRouter is a WindowTreeClientDelegate and calls
 // OnPointerEventObserved().
-// TODO(sky): Nuke existing PointerWatcherEventRouter and rename this.
-class VIEWS_MUS_EXPORT PointerWatcherEventRouter2
+class VIEWS_MUS_EXPORT PointerWatcherEventRouter
     : public aura::WindowTreeClientObserver,
       public aura::client::CaptureClientObserver {
  public:
   // Public solely for tests.
   enum EventTypes {
     // No PointerWatchers have been added.
     NONE,
 
     // Used when the only PointerWatchers added do not want moves.
     NON_MOVE_EVENTS,
 
     // Used when at least one PointerWatcher has been added that wants moves.
     MOVE_EVENTS,
   };
 
-  explicit PointerWatcherEventRouter2(
+  explicit PointerWatcherEventRouter(
       aura::WindowTreeClient* window_tree_client);
-  ~PointerWatcherEventRouter2() override;
+  ~PointerWatcherEventRouter() override;
 
   // Called by WindowTreeClientDelegate to notify PointerWatchers appropriately.
   void OnPointerEventObserved(const ui::PointerEvent& event,
                               aura::Window* target);
 
   void AddPointerWatcher(PointerWatcher* watcher, bool wants_moves);
   void RemovePointerWatcher(PointerWatcher* watcher);
 
  private:
-  friend class PointerWatcherEventRouter2Test;
+  friend class PointerWatcherEventRouterTest;
 
   // Determines EventTypes based on the number and type of PointerWatchers.
   EventTypes DetermineEventTypes();
 
   // aura::WindowTreeClientObserver:
   void OnDidDestroyClient(aura::WindowTreeClient* client) override;
 
   // aura::client::CaptureClientObserver:
   void OnCaptureChanged(aura::Window* lost_capture,
                         aura::Window* gained_capture) override;
 
   aura::WindowTreeClient* window_tree_client_;
   // The true parameter to ObserverList indicates the list must be empty on
   // destruction. Two sets of observers are maintained, one for observers not
   // needing moves |non_move_watchers_| and |move_watchers_| for those
   // observers wanting moves too.
   base::ObserverList<views::PointerWatcher, true> non_move_watchers_;
   base::ObserverList<views::PointerWatcher, true> move_watchers_;
 
   EventTypes event_types_ = EventTypes::NONE;
 
-  DISALLOW_COPY_AND_ASSIGN(PointerWatcherEventRouter2);
+  DISALLOW_COPY_AND_ASSIGN(PointerWatcherEventRouter);
 };
 
 }  // namespace views
 
-#endif  // UI_VIEWS_MUS_POINTER_WATCHER_EVENT_ROUTER2_H_
+#endif  // UI_VIEWS_MUS_POINTER_WATCHER_EVENT_ROUTER_H_