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

components/offline_pages/core/background/offliner_factory_stub.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_STUB_H_
-#define COMPONENTS_OFFLINE_PAGES_BACKGROUND_OFFLINER_FACTORY_STUB_H_
+#ifndef COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_OFFLINER_FACTORY_STUB_H_
+#define COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_OFFLINER_FACTORY_STUB_H_
 
 #include <memory>
 
-#include "components/offline_pages/background/offliner_factory.h"
+#include "components/offline_pages/core/background/offliner_factory.h"
 
 namespace offline_pages {
 
 class OfflinerStub;
 
 // Test class stubbing out the functionality of OfflinerFactory.
 // It is only used for test support.
 class OfflinerFactoryStub : public OfflinerFactory {
  public:
   OfflinerFactoryStub();
   ~OfflinerFactoryStub() override;
 
   Offliner* GetOffliner(const OfflinerPolicy* policy) override;
 
  private:
   std::unique_ptr<OfflinerStub> offliner_;
 };
 
 }  // namespace offline_pages
 
-#endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_OFFLINER_FACTORY_STUB_H_
+#endif  // COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_OFFLINER_FACTORY_STUB_H_