Standardize usage of virtual/override/final specifiers.

ui/wm/core/transient_window_manager.h

 // Copyright 2014 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_WM_CORE_TRANSIENT_WINDOW_MANAGER_H_
 #define UI_WM_CORE_TRANSIENT_WINDOW_MANAGER_H_
 
 #include <vector>
 
 #include "base/observer_list.h"
@@ skipping 14 matching lines @@
 //   transient children are always ordered above the transient parent.
 // . If a transient parent is hidden, it hides all transient children.
 //   For show operation, please refer to |set_parent_controls_visibility(bool)|.
 // Transient windows are typically used for popups and menus.
 // TODO(sky): when we nuke TransientWindowClient rename this to
 // TransientWindowController.
 class WM_EXPORT TransientWindowManager : public aura::WindowObserver {
  public:
   typedef std::vector<aura::Window*> Windows;
 
-  virtual ~TransientWindowManager();
+  ~TransientWindowManager() override;
 
   // Returns the TransientWindowManager for |window|. This never returns NULL.
   static TransientWindowManager* Get(aura::Window* window);
 
   // Returns the TransientWindowManager for |window| only if it already exists.
   // WARNING: this may return NULL.
   static const TransientWindowManager* Get(const aura::Window* window);
 
   void AddObserver(TransientWindowObserver* observer);
   void RemoveObserver(TransientWindowObserver* observer);
@@ skipping 27 matching lines @@
 
   // Stacks transient descendants of this window that are its siblings just
   // above it.
   void RestackTransientDescendants();
 
   // Update the window's visibility following the transient parent's
   // visibility. See |set_parent_controls_visibility(bool)| for more details.
   void UpdateTransientChildVisibility(bool visible);
 
   // WindowObserver:
-  virtual void OnWindowParentChanged(aura::Window* window,
-                                     aura::Window* parent) override;
-  virtual void OnWindowVisibilityChanging(aura::Window* window,
-                                          bool visible) override;
-  virtual void OnWindowVisibilityChanged(aura::Window* window,
-                                         bool visible) override;
-  virtual void OnWindowStackingChanged(aura::Window* window) override;
-  virtual void OnWindowDestroying(aura::Window* window) override;
+  void OnWindowParentChanged(aura::Window* window,
+                             aura::Window* parent) override;
+  void OnWindowVisibilityChanging(aura::Window* window, bool visible) override;
+  void OnWindowVisibilityChanged(aura::Window* window, bool visible) override;
+  void OnWindowStackingChanged(aura::Window* window) override;
+  void OnWindowDestroying(aura::Window* window) override;
 
   aura::Window* window_;
   aura::Window* transient_parent_;
   Windows transient_children_;
 
   // If non-null we're actively restacking transient as the result of a
   // transient ancestor changing.
   aura::Window* stacking_target_;
 
   bool parent_controls_visibility_;
   bool show_on_parent_visible_;
   bool ignore_visibility_changed_event_;
 
   ObserverList<TransientWindowObserver> observers_;
 
   DISALLOW_COPY_AND_ASSIGN(TransientWindowManager);
 };
 
 }  // namespace wm
 
 #endif  // UI_WM_CORE_TRANSIENT_WINDOW_MANAGER_H_