1// Copyright (c) 2013 The Chromium Authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_ITERATOR_H_
6#define CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_ITERATOR_H_
7
8namespace content {
9
10class RenderWidgetHost;
11
12// RenderWidgetHostIterator is used to safely iterate over a list of
13// RenderWidgetHosts.
14class RenderWidgetHostIterator {
15 public:
16  virtual ~RenderWidgetHostIterator() {}
17
18  // Returns the next RenderWidgetHost in the list. Returns NULL if none is
19  // available.
20  virtual RenderWidgetHost* GetNextHost() = 0;
21};
22
23}  // namespace content
24
25#endif  // CONTENT_PUBLIC_BROWSER_RENDER_WIDGET_HOST_ITERATOR_H_
26