[WebView] Move files from native to browser

android_webview/native/state_serializer.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.
-//
-#ifndef ANDROID_WEBVIEW_NATIVE_STATE_SERIALIZER_H_
-#define ANDROID_WEBVIEW_NATIVE_STATE_SERIALIZER_H_
-
-#include <cstdint>
-
-#include "base/compiler_specific.h"
-
-namespace base {
-
-class Pickle;
-class PickleIterator;
-
-}  // namespace base
-
-namespace content {
-
-class NavigationEntry;
-class WebContents;
-
-}  // namespace content
-
-namespace android_webview {
-
-// Write and restore a WebContents to and from a pickle. Return true on
-// success.
-
-// Note that |pickle| may be changed even if function returns false.
-bool WriteToPickle(const content::WebContents& web_contents,
-                   base::Pickle* pickle) WARN_UNUSED_RESULT;
-
-// |web_contents| will not be modified if function returns false.
-bool RestoreFromPickle(base::PickleIterator* iterator,
-                       content::WebContents* web_contents) WARN_UNUSED_RESULT;
-
-
-namespace internal {
-
-const uint32_t AW_STATE_VERSION_INITIAL = 20130814;
-const uint32_t AW_STATE_VERSION_DATA_URL = 20151204;
-
-// Functions below are individual helper functions called by functions above.
-// They are broken up for unit testing, and should not be called out side of
-// tests.
-bool WriteHeaderToPickle(base::Pickle* pickle) WARN_UNUSED_RESULT;
-bool WriteHeaderToPickle(uint32_t state_version,
-                         base::Pickle* pickle) WARN_UNUSED_RESULT;
-uint32_t RestoreHeaderFromPickle(base::PickleIterator* iterator)
-    WARN_UNUSED_RESULT;
-bool IsSupportedVersion(uint32_t state_version) WARN_UNUSED_RESULT;
-bool WriteNavigationEntryToPickle(const content::NavigationEntry& entry,
-                                  base::Pickle* pickle) WARN_UNUSED_RESULT;
-bool WriteNavigationEntryToPickle(uint32_t state_version,
-                                  const content::NavigationEntry& entry,
-                                  base::Pickle* pickle) WARN_UNUSED_RESULT;
-bool RestoreNavigationEntryFromPickle(base::PickleIterator* iterator,
-                                      content::NavigationEntry* entry)
-    WARN_UNUSED_RESULT;
-bool RestoreNavigationEntryFromPickle(uint32_t state_version,
-                                      base::PickleIterator* iterator,
-                                      content::NavigationEntry* entry)
-    WARN_UNUSED_RESULT;
-
-}  // namespace interanl
-
-}  // namespace android_webview
-
-#endif  // ANDROID_WEBVIEW_NATIVE_STATE_SERIALIZER_H_