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

components/offline_pages/background/connection_notifier.cc

Index: components/offline_pages/background/connection_notifier.cc
diff --git a/components/offline_pages/background/connection_notifier.cc b/components/offline_pages/background/connection_notifier.cc
deleted file mode 100644
index 82b90a88073397312996d94429bff2b08a355dbf..0000000000000000000000000000000000000000
--- a/components/offline_pages/background/connection_notifier.cc
+++ /dev/null
@@ -1,25 +0,0 @@
-// 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"
-
-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