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ui/base/models/list_model_observer.h

Index: ui/base/models/list_model_observer.h
diff --git a/ui/base/models/list_model_observer.h b/ui/base/models/list_model_observer.h
deleted file mode 100644
index cc8be0f6e0aebe0c962653e114f219c65c48e0ae..0000000000000000000000000000000000000000
--- a/ui/base/models/list_model_observer.h
+++ /dev/null
@@ -1,36 +0,0 @@
-// Copyright (c) 2012 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_BASE_MODELS_LIST_MODEL_OBSERVER_H_
-#define UI_BASE_MODELS_LIST_MODEL_OBSERVER_H_
-
-#include <stddef.h>
-
-#include "ui/base/ui_base_export.h"
-
-namespace ui {
-
-class UI_BASE_EXPORT ListModelObserver {
- public:
-  // Invoked after items has been added to the model.
-  virtual void ListItemsAdded(size_t start, size_t count) = 0;
-
-  // Invoked after items has been removed. |start| is the index before the
-  // removal.
-  virtual void ListItemsRemoved(size_t start, size_t count) = 0;
-
-  // Invoked after an item has been moved. See ListModel::Move() for details
-  // of the arguments.
-  virtual void ListItemMoved(size_t index, size_t target_index) = 0;
-
-  // Invoked after items has been changed.
-  virtual void ListItemsChanged(size_t start, size_t count) = 0;
-
- protected:
-  virtual ~ListModelObserver() {}
-};
-
-}  // namespace ui
-
-#endif  // UI_BASE_MODELS_LIST_MODEL_OBSERVER_H_