It is time.

ui/views/accessibility/ax_window_obj_wrapper.h

Index: ui/views/accessibility/ax_window_obj_wrapper.h
diff --git a/ui/views/accessibility/ax_window_obj_wrapper.h b/ui/views/accessibility/ax_window_obj_wrapper.h
deleted file mode 100644
index 14bf2a80f60193cf2b83ea21c5f50069cc8890ea..0000000000000000000000000000000000000000
--- a/ui/views/accessibility/ax_window_obj_wrapper.h
+++ /dev/null
@@ -1,42 +0,0 @@
-// 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_VIEWS_ACCESSIBILITY_AX_WINDOW_OBJ_WRAPPER_H_
-#define UI_VIEWS_ACCESSIBILITY_AX_WINDOW_OBJ_WRAPPER_H_
-
-#include "ui/aura/window_observer.h"
-#include "ui/views/accessibility/ax_aura_obj_wrapper.h"
-
-namespace aura {
-class Window;
-}  // namespace aura
-
-namespace views {
-
-// Describes a |Window| for use with other AX classes.
-class AXWindowObjWrapper : public AXAuraObjWrapper,
-                           public aura::WindowObserver {
- public:
-  explicit AXWindowObjWrapper(aura::Window* window);
-  virtual ~AXWindowObjWrapper();
-
-  // AXAuraObjWrapper overrides.
-  virtual AXAuraObjWrapper* GetParent() override;
-  virtual void GetChildren(
-      std::vector<AXAuraObjWrapper*>* out_children) override;
-  virtual void Serialize(ui::AXNodeData* out_node_data) override;
-  virtual int32 GetID() override;
-
-  // WindowObserver overrides.
-  virtual void OnWindowDestroying(aura::Window* window) override;
-
- private:
-  aura::Window* window_;
-
-  DISALLOW_COPY_AND_ASSIGN(AXWindowObjWrapper);
-};
-
-}  // namespace views
-
-#endif  // UI_VIEWS_ACCESSIBILITY_AX_WINDOW_OBJ_WRAPPER_H_