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

components/offline_pages/core/offline_event_logger.h

Index: components/offline_pages/core/offline_event_logger.h
diff --git a/components/offline_pages/offline_event_logger.h b/components/offline_pages/core/offline_event_logger.h
similarity index 89%
rename from components/offline_pages/offline_event_logger.h
rename to components/offline_pages/core/offline_event_logger.h
index 95ac36cc7914303dcb8f22f99e65b7db19141389..e7d5ce2ca9a279d57698c343b73f68b2b4587d92 100644
--- a/components/offline_pages/offline_event_logger.h
+++ b/components/offline_pages/core/offline_event_logger.h
@@ -2,8 +2,8 @@
 // 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>
@@ -56,4 +56,4 @@ class OfflineEventLogger {
 };
 }  // namespace offline_pages
 
-#endif  // COMPONENTS_OFFLINE_PAGES_OFFLINE_EVENT_LOGGER_H_
+#endif  // COMPONENTS_OFFLINE_PAGES_CORE_OFFLINE_EVENT_LOGGER_H_