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

components/offline_pages/core/client_policy_controller.cc

Index: components/offline_pages/core/client_policy_controller.cc
diff --git a/components/offline_pages/client_policy_controller.cc b/components/offline_pages/core/client_policy_controller.cc
similarity index 97%
rename from components/offline_pages/client_policy_controller.cc
rename to components/offline_pages/core/client_policy_controller.cc
index ae223d400f17db74d0af226de034110df9f7158b..c2db05186411b5d96974f87364d9400e21f298ce 100644
--- a/components/offline_pages/client_policy_controller.cc
+++ b/components/offline_pages/core/client_policy_controller.cc
@@ -2,13 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "components/offline_pages/client_policy_controller.h"
+#include "components/offline_pages/core/client_policy_controller.h"
 
 #include <utility>
 
 #include "base/memory/ptr_util.h"
 #include "base/time/time.h"
-#include "components/offline_pages/client_namespace_constants.h"
+#include "components/offline_pages/core/client_namespace_constants.h"
 
 using LifetimeType = offline_pages::LifetimePolicy::LifetimeType;