Showing previews UI for Offline Previews

components/offline_pages/BUILD.gn

Index: components/offline_pages/BUILD.gn
diff --git a/components/offline_pages/BUILD.gn b/components/offline_pages/BUILD.gn
index c579becd651668e66e701c94ea0c0a6fd2523e05..9810e27f98d50e7dd4022bbfaa87441edf1d355b 100644
--- a/components/offline_pages/BUILD.gn
+++ b/components/offline_pages/BUILD.gn
@@ -7,20 +7,22 @@ if (is_android) {
 }
 
 static_library("offline_pages") {
   sources = [
     "archive_manager.cc",
     "archive_manager.h",
     "client_namespace_constants.cc",
     "client_namespace_constants.h",
     "client_policy_controller.cc",
     "client_policy_controller.h",
+    "loaded_offline_page_info.cc",
+    "loaded_offline_page_info.h",
     "offline_event_logger.cc",
     "offline_event_logger.h",
     "offline_page_archiver.h",
     "offline_page_client_policy.h",
     "offline_page_item.cc",
     "offline_page_item.h",
     "offline_page_metadata_store.cc",
     "offline_page_metadata_store.h",
     "offline_page_metadata_store_sql.cc",
     "offline_page_metadata_store_sql.h",
@@ -35,20 +37,21 @@ static_library("offline_pages") {
     "offline_page_types.h",
     "offline_store_types.h",
     "snapshot_controller.cc",
     "snapshot_controller.h",
   ]
 
   deps = [
     ":switches",
     "//base",
     "//components/keyed_service/core",
+    "//components/offline_pages/request_header:request_header",
     "//net",
     "//sql:sql",
     "//url",
   ]
 }
 
 static_library("test_support") {
   testonly = true
   sources = [
     "offline_page_test_archiver.cc",