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

components/offline_pages/core/background/cleanup_task.cc

Index: components/offline_pages/core/background/cleanup_task.cc
diff --git a/components/offline_pages/background/cleanup_task.cc b/components/offline_pages/core/background/cleanup_task.cc
similarity index 88%
rename from components/offline_pages/background/cleanup_task.cc
rename to components/offline_pages/core/background/cleanup_task.cc
index 478185a0d1760f5b6f591eceb3ddffc84d01077c..ab02e4f0ee278e4aae3abc972632347143cf251b 100644
--- a/components/offline_pages/background/cleanup_task.cc
+++ b/components/offline_pages/core/background/cleanup_task.cc
@@ -2,16 +2,16 @@
 // 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/cleanup_task.h"
+#include "components/offline_pages/core/background/cleanup_task.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
-#include "components/offline_pages/background/offliner_policy.h"
-#include "components/offline_pages/background/offliner_policy_utils.h"
-#include "components/offline_pages/background/request_coordinator_event_logger.h"
-#include "components/offline_pages/background/request_notifier.h"
-#include "components/offline_pages/background/request_queue_store.h"
-#include "components/offline_pages/background/save_page_request.h"
+#include "components/offline_pages/core/background/offliner_policy.h"
+#include "components/offline_pages/core/background/offliner_policy_utils.h"
+#include "components/offline_pages/core/background/request_coordinator_event_logger.h"
+#include "components/offline_pages/core/background/request_notifier.h"
+#include "components/offline_pages/core/background/request_queue_store.h"
+#include "components/offline_pages/core/background/save_page_request.h"
 
 namespace offline_pages {