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

components/offline_pages/core/background/connection_notifier.cc

 // 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.
 
-#include "components/offline_pages/background/connection_notifier.h"
+#include "components/offline_pages/core/background/connection_notifier.h"
 
 namespace offline_pages {
 
 ConnectionNotifier::ConnectionNotifier(
     const ConnectionNotifier::ConnectedCallback& callback)
     : callback_(callback) {
   net::NetworkChangeNotifier::AddConnectionTypeObserver(this);
 }
 
 ConnectionNotifier::~ConnectionNotifier() {
   net::NetworkChangeNotifier::RemoveConnectionTypeObserver(this);
 }
 
 void ConnectionNotifier::OnConnectionTypeChanged(
     net::NetworkChangeNotifier::ConnectionType type) {
   if (type != net::NetworkChangeNotifier::ConnectionType::CONNECTION_NONE)
     callback_.Run();
 }
 
 }  // namespace offline_pages