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