Move all components/offline_pages/ files into component/offline_pages/core

components/offline_pages/background/offliner_policy_utils.h

-// Copyright 2016 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 COMPONENTS_OFFLINE_PAGES_BACKGROUND_OFFLINER_POLICY_UTILS_H_
-#define COMPONENTS_OFFLINE_PAGES_BACKGROUND_OFFLINER_POLICY_UTILS_H_
-
-namespace offline_pages {
-
-class OfflinerPolicy;
-class SavePageRequest;
-
-class OfflinerPolicyUtils {
- public:
-  enum class RequestExpirationStatus {
-    VALID,
-    EXPIRED,
-    START_COUNT_EXCEEDED,
-    COMPLETION_COUNT_EXCEEDED,
-  };
-
-  static RequestExpirationStatus CheckRequestExpirationStatus(
-      const SavePageRequest* request,
-      const OfflinerPolicy* policy);
-};
-
-}  // namespace offline_pages
-
-#endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_OFFLINER_POLICY_UTILS_H_