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

components/offline_pages/core/background/cleanup_task.h

Index: components/offline_pages/core/background/cleanup_task.h
diff --git a/components/offline_pages/background/cleanup_task.h b/components/offline_pages/core/background/cleanup_task.h
similarity index 82%
rename from components/offline_pages/background/cleanup_task.h
rename to components/offline_pages/core/background/cleanup_task.h
index 93e373d17c945fb4f1a9bee322f22aad791ab190..fbe8e0c4e5b4eb4dc706f266e8ac2bfa98a6f3ea 100644
--- a/components/offline_pages/background/cleanup_task.h
+++ b/components/offline_pages/core/background/cleanup_task.h
@@ -2,15 +2,15 @@
 // 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_CLEANUP_TASK_H_
-#define COMPONENTS_OFFLINE_PAGES_BACKGROUND_CLEANUP_TASK_H_
+#ifndef COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_CLEANUP_TASK_H_
+#define COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_CLEANUP_TASK_H_
 
 #include <memory>
 #include <vector>
 
 #include "base/memory/weak_ptr.h"
-#include "components/offline_pages/background/request_queue_results.h"
-#include "components/offline_pages/background/save_page_request.h"
+#include "components/offline_pages/core/background/request_queue_results.h"
+#include "components/offline_pages/core/background/save_page_request.h"
 #include "components/offline_pages/core/task.h"
 
 namespace offline_pages {
@@ -58,4 +58,4 @@ class CleanupTask : public Task {
 
 }  // namespace offline_pages
 
-#endif  // COMPONENTS_OFFLINE_PAGES_BACKGROUND_CLEANUP_TASK_H_
+#endif  // COMPONENTS_OFFLINE_PAGES_CORE_BACKGROUND_CLEANUP_TASK_H_