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

components/offline_pages/core/background/connection_notifier.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_CONNECTION_NOTIFIER_H_
-#define COMPONENTS_OFFLINE_PAGES_BACKGROUND_CONNECTION_NOTIFIER_H_
+#ifndef COMPONENTS_OFFLINE_PAGES_BACKGROUND____CORE_BACKGROUND_CONNECTION_NOTIFIER_H_
+#define COMPONENTS_OFFLINE_PAGES_BACKGROUND____CORE_BACKGROUND_CONNECTION_NOTIFIER_H_
 
 #include "base/callback.h"
 #include "net/base/network_change_notifier.h"
 
 namespace offline_pages {
 
 class ConnectionNotifier
     : public net::NetworkChangeNotifier::ConnectionTypeObserver {
  public:
   // Callback to call when we become connected.
   typedef base::Callback<void()> ConnectedCallback;
 
   ConnectionNotifier(const ConnectionNotifier::ConnectedCallback& callback);
   ~ConnectionNotifier() override;
 
   // net::NetworkChangeNotifier::ConnectionTypeObserver implementation.
   void OnConnectionTypeChanged(
       net::NetworkChangeNotifier::ConnectionType type) override;
 
  private:
   base::Callback<void()> callback_;
 
   DISALLOW_COPY_AND_ASSIGN(ConnectionNotifier);
 };
 
 }  // namespace offline_pages
 
-#endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_CONNECTION_NOTIFIER_H_
+#endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND____CORE_BACKGROUND_CONNECTION_NOTIFIER_H_