It is time.

ui/ozone/platform/dri/dri_window_delegate_manager.h

Index: ui/ozone/platform/dri/dri_window_delegate_manager.h
diff --git a/ui/ozone/platform/dri/dri_window_delegate_manager.h b/ui/ozone/platform/dri/dri_window_delegate_manager.h
deleted file mode 100644
index 5f2a572c49e4b738ea4d50154dead4a53fdc564c..0000000000000000000000000000000000000000
--- a/ui/ozone/platform/dri/dri_window_delegate_manager.h
+++ /dev/null
@@ -1,48 +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_OZONE_PLATFORM_DRI_DRI_WINDOW_DELEGATE_MANAGER_H_
-#define UI_OZONE_PLATFORM_DRI_DRI_WINDOW_DELEGATE_MANAGER_H_
-
-#include "base/containers/scoped_ptr_hash_map.h"
-#include "ui/gfx/native_widget_types.h"
-
-namespace ui {
-
-class DriWindowDelegate;
-
-class DriWindowDelegateManager {
- public:
-  DriWindowDelegateManager();
-  ~DriWindowDelegateManager();
-
-  // Adds a delegate for |widget|. Note: |widget| should not be associated with
-  // a delegate when calling this function.
-  void AddWindowDelegate(gfx::AcceleratedWidget widget,
-                         scoped_ptr<DriWindowDelegate> surface);
-
-  // Removes the delegate for |widget|. Note: |widget| must have a delegate
-  // associated with it when calling this function.
-  scoped_ptr<DriWindowDelegate> RemoveWindowDelegate(
-      gfx::AcceleratedWidget widget);
-
-  // Returns the delegate associated with |widget|. Note: This function should
-  // be called only if a valid delegate has been associated with |widget|.
-  DriWindowDelegate* GetWindowDelegate(gfx::AcceleratedWidget widget);
-
-  // Check if |widget| has a valid delegate associated with it.
-  bool HasWindowDelegate(gfx::AcceleratedWidget widget);
-
- private:
-  typedef base::ScopedPtrHashMap<gfx::AcceleratedWidget, DriWindowDelegate>
-      WidgetToDelegateMap;
-
-  WidgetToDelegateMap delegate_map_;
-
-  DISALLOW_COPY_AND_ASSIGN(DriWindowDelegateManager);
-};
-
-}  // namespace ui
-
-#endif  // UI_OZONE_PLATFORM_DRI_DRI_WINDOW_DELEGATE_MANAGER_H_