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

components/offline_pages/background/offliner_factory.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_FACTORY_H_
-#define COMPONENTS_OFFLINE_PAGES_BACKGROUND_OFFLINER_FACTORY_H_
-
-#include "base/macros.h"
-
-namespace offline_pages {
-
-class OfflinerPolicy;
-class Offliner;
-
-// An interface to a factory which can create a background offliner.
-// The returned factory is owned by the offliner, which is allowed to cache the
-// factory and return it again later.
-class OfflinerFactory {
- public:
-  OfflinerFactory() {}
-  virtual ~OfflinerFactory() {}
-
-  virtual Offliner* GetOffliner(const OfflinerPolicy* policy) = 0;
-
- private:
-  DISALLOW_COPY_AND_ASSIGN(OfflinerFactory);
-};
-
-}  // namespace offline_pages
-
-#endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_OFFLINER_FACTORY_H_