Support undoing offline page deletion

components/offline_pages/offline_page_metadata_store_impl.cc

Index: components/offline_pages/offline_page_metadata_store_impl.cc
diff --git a/components/offline_pages/offline_page_metadata_store_impl.cc b/components/offline_pages/offline_page_metadata_store_impl.cc
index b9801f749158d355aeb2015333df8c67cd6d28f9..ca22870257087c06aeff44143fa8ba324573300f 100644
--- a/components/offline_pages/offline_page_metadata_store_impl.cc
+++ b/components/offline_pages/offline_page_metadata_store_impl.cc
@@ -44,6 +44,8 @@ void OfflinePageItemToEntry(const OfflinePageItem& item,
   item_proto->set_creation_time(item.creation_time.ToInternalValue());
   item_proto->set_last_access_time(item.last_access_time.ToInternalValue());
   item_proto->set_access_count(item.access_count);
+  item_proto->set_flags(
+      static_cast<::offline_pages::OfflinePageEntry_Flags>(item.flags));
 }
 
 bool OfflinePageItemFromEntry(const offline_pages::OfflinePageEntry& item_proto,
@@ -75,6 +77,9 @@ bool OfflinePageItemFromEntry(const offline_pages::OfflinePageEntry& item_proto,
   if (item_proto.has_access_count()) {
     item->access_count = item_proto.access_count();
   }
+  if (item_proto.has_flags()) {
+    item->flags = static_cast<OfflinePageItem::Flags>(item_proto.flags());
+  }
   return true;
 }