[ObjC ARC] Converts ios/web:core to ARC.Automatically generated ARCMigrate commitNotable issues:…

ios/web/history_state_util.mm

-// 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.
-
-#import "ios/web/history_state_util.h"
-
-#include "base/logging.h"
-#include "url/gurl.h"
-
-namespace web {
-namespace history_state_util {
-
-bool IsHistoryStateChangeValid(const GURL& currentUrl,
-                               const GURL& toUrl) {
-  // These two checks are very important to the security of the page. We cannot
-  // allow the page to change the state to an invalid URL.
-  CHECK(currentUrl.is_valid());
-  CHECK(toUrl.is_valid());
-
-  return toUrl.GetOrigin() == currentUrl.GetOrigin();
-}
-
-GURL GetHistoryStateChangeUrl(const GURL& currentUrl,
-                              const GURL& baseUrl,
-                              const std::string& destination) {
-  if (!baseUrl.is_valid())
-    return GURL();
-  GURL toUrl = baseUrl.Resolve(destination);
-
-  if (!toUrl.is_valid() || !IsHistoryStateChangeValid(currentUrl, toUrl))
-    return GURL();
-
-  return toUrl;
-}
-
-}  // namespace history_state_util
-}  // namespace web