| Index: services/ui/common/image_cursors_set.h | 
| diff --git a/services/ui/common/image_cursors_set.h b/services/ui/common/image_cursors_set.h | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..cf775eca01c615b94aa76beb0665c79fbb9ef6c7 | 
| --- /dev/null | 
| +++ b/services/ui/common/image_cursors_set.h | 
| @@ -0,0 +1,36 @@ | 
| +// Copyright 2017 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 SERVICES_UI_COMMON_IMAGE_CURSORS_SET_H_ | 
| +#define SERVICES_UI_COMMON_IMAGE_CURSORS_SET_H_ | 
| + | 
| +#include <memory> | 
| +#include <set> | 
| + | 
| +#include "base/memory/weak_ptr.h" | 
| + | 
| +namespace ui { | 
| + | 
| +class ImageCursors; | 
| + | 
| +// Helper class wrapping a set of ImageCursors objects. | 
| +class ImageCursorsSet { | 
| + public: | 
| +  ImageCursorsSet(); | 
| +  virtual ~ImageCursorsSet(); | 
| + | 
| +  void AddImageCursors(std::unique_ptr<ImageCursors> image_cursors); | 
| +  void RemoveImageCursors(ImageCursors* image_cursors); | 
| +  base::WeakPtr<ImageCursorsSet> GetWeakPtr(); | 
| + | 
| + private: | 
| +  std::set<std::unique_ptr<ImageCursors>> image_cursors_set_; | 
| +  base::WeakPtrFactory<ImageCursorsSet> weak_ptr_factory_; | 
| + | 
| +  DISALLOW_COPY_AND_ASSIGN(ImageCursorsSet); | 
| +}; | 
| + | 
| +}  // namespace ui | 
| + | 
| +#endif  // SERVICES_UI_COMMON_IMAGE_CURSORS_SET_H_ | 
|  |