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

components/offline_pages/core/background/pick_request_task.cc

Index: components/offline_pages/core/background/pick_request_task.cc
diff --git a/components/offline_pages/background/pick_request_task.cc b/components/offline_pages/core/background/pick_request_task.cc
similarity index 95%
rename from components/offline_pages/background/pick_request_task.cc
rename to components/offline_pages/core/background/pick_request_task.cc
index dd936f54e416cefecbfdd691009c7f5e9f27ffd9..9700ea8361e0d9035b96159cf620a8471d6294a3 100644
--- a/components/offline_pages/background/pick_request_task.cc
+++ b/components/offline_pages/core/background/pick_request_task.cc
@@ -2,17 +2,17 @@
 // 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/pick_request_task.h"
+#include "components/offline_pages/core/background/pick_request_task.h"
 
 #include "base/bind.h"
 #include "base/logging.h"
 #include "base/time/time.h"
-#include "components/offline_pages/background/device_conditions.h"
-#include "components/offline_pages/background/offliner_policy.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/device_conditions.h"
+#include "components/offline_pages/core/background/offliner_policy.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 {
 template <typename T>