Re-implement PageState serialization without a Blink API dependency.

webkit/glue/glue_serialize_deprecated.h

-// 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.
-//
-// This file contains (de)serialization (or if you like python, pickling)
-// methods for various objects that we want to persist.
-// In serialization, we write an object's state to a string in some opaque
-// format.  Deserialization reconstructs the object's state from such a string.
-
-#ifndef WEBKIT_GLUE_GLUE_SERIALIZE_H_
-#define WEBKIT_GLUE_GLUE_SERIALIZE_H_
-
-#include <string>
-
-#include "base/files/file_path.h"
-#include "third_party/WebKit/public/web/WebHistoryItem.h"
-#include "webkit/glue/webkit_glue_export.h"
-
-class GURL;
-
-namespace webkit_glue {
-
-// HistoryItem serialization.
-WEBKIT_GLUE_EXPORT std::string HistoryItemToString(
-    const WebKit::WebHistoryItem& item);
-WEBKIT_GLUE_EXPORT WebKit::WebHistoryItem HistoryItemFromString(
-    const std::string& serialized_item);
-
-// Reads file paths from the HTTP body and the file input elements of a
-// serialized WebHistoryItem.
-WEBKIT_GLUE_EXPORT std::vector<base::FilePath> FilePathsFromHistoryState(
-    const std::string& content_state);
-
-// For testing purposes only.
-WEBKIT_GLUE_EXPORT void HistoryItemToVersionedString(
-    const WebKit::WebHistoryItem& item,
-    int version,
-    std::string* serialized_item);
-WEBKIT_GLUE_EXPORT int HistoryItemCurrentVersion();
-
-// Removes form data containing passwords from the history state string
-// |content_state|.
-WEBKIT_GLUE_EXPORT std::string RemovePasswordDataFromHistoryState(
-    const std::string& content_state);
-
-// Removes scroll offset from the history state string |content_state|.
-WEBKIT_GLUE_EXPORT std::string RemoveScrollOffsetFromHistoryState(
-    const std::string& content_state);
-
-// Creates serialized state for the specified URL. This is a variant of
-// HistoryItemToString (in glue_serialize) that is used during session restore
-// if the saved state is empty.
-WEBKIT_GLUE_EXPORT std::string CreateHistoryStateForURL(const GURL& url);
-
-}  // namespace webkit_glue
-
-#endif  // #ifndef WEBKIT_GLUE_GLUE_SERIALIZE_H_