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

components/offline_pages/core/offline_event_logger.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_OFFLINE_EVENT_LOGGER_H_
-#define COMPONENTS_OFFLINE_PAGES_OFFLINE_EVENT_LOGGER_H_
+#ifndef COMPONENTS_OFFLINE_PAGES_CORE_OFFLINE_EVENT_LOGGER_H_
+#define COMPONENTS_OFFLINE_PAGES_CORE_OFFLINE_EVENT_LOGGER_H_
 
 #include <deque>
 #include <string>
 #include <vector>
 
 #include "base/macros.h"
 
 namespace offline_pages {
 
 // Maximum number of recorded Logs to keep track of at any moment.
@@ skipping 32 matching lines @@
 
  private:
   // Recorded offline page activities.
   std::deque<std::string> activities_;
 
   // Whether we are currently recording logs or not.
   bool is_logging_;
 };
 }  // namespace offline_pages
 
-#endif  // COMPONENTS_OFFLINE_PAGES_OFFLINE_EVENT_LOGGER_H_
+#endif  // COMPONENTS_OFFLINE_PAGES_CORE_OFFLINE_EVENT_LOGGER_H_