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// Copyright 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 IOS_WEB_HISTORY_STATE_UTIL_H_
#define IOS_WEB_HISTORY_STATE_UTIL_H_
#include <string>
class GURL;
namespace web {
namespace history_state_util {
// Checks if toUrl is a valid argument to history.pushState() or
// history.replaceState() given the current URL.
bool IsHistoryStateChangeValid(const GURL& currentUrl,
const GURL& toUrl);
// Generates the appropriate full URL for a history.pushState() or
// history.replaceState() transition from currentURL to destination, resolved
// against baseURL. |destination| may be a relative URL. Will return an invalid
// URL if the resolved destination, or the transition, is not valid.
GURL GetHistoryStateChangeUrl(const GURL& currentUrl,
const GURL& baseUrl,
const std::string& destination);
} // namespace history_state_util
} // namespace web
#endif // IOS_WEB_HISTORY_STATE_UTIL_H_
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