Move history serialization from contet/public/renderer/ to content/renderer/

content/public/renderer/history_item_serialization.h

Index: content/public/renderer/history_item_serialization.h
diff --git a/content/public/renderer/history_item_serialization.h b/content/public/renderer/history_item_serialization.h
deleted file mode 100644
index dda1cf406fa8bb019b6d94a62ee6b09c2cc0550e..0000000000000000000000000000000000000000
--- a/content/public/renderer/history_item_serialization.h
+++ /dev/null
@@ -1,26 +0,0 @@
-// Copyright (c) 2013 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 CONTENT_RENDERER_HISTORY_ITEM_SERIALIZATION_H_
-#define CONTENT_RENDERER_HISTORY_ITEM_SERIALIZATION_H_
-
-#include <string>
-
-#include "content/common/content_export.h"
-
-namespace blink {
-class WebHistoryItem;
-}
-
-namespace content {
-class PageState;
-
-CONTENT_EXPORT PageState HistoryItemToPageState(
-    const blink::WebHistoryItem& item);
-CONTENT_EXPORT blink::WebHistoryItem PageStateToHistoryItem(
-    const PageState& state);
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_HISTORY_ITEM_SERIALIZATION_H_