[Offline pages] Removing undoing of deleting offline pages

components/offline_pages/offline_page_item.cc

Index: components/offline_pages/offline_page_item.cc
diff --git a/components/offline_pages/offline_page_item.cc b/components/offline_pages/offline_page_item.cc
index dc744dcf2e7c9ed2d979093b20a0101a8e4c7337..98d514473d79f7e05fdfed13647df0023ace522b 100644
--- a/components/offline_pages/offline_page_item.cc
+++ b/components/offline_pages/offline_page_item.cc
@@ -69,16 +69,4 @@ GURL OfflinePageItem::GetOfflineURL() const {
   return net::FilePathToFileURL(file_path);
 }
 
-bool OfflinePageItem::IsMarkedForDeletion() const {
-  return (static_cast<int>(flags) & MARKED_FOR_DELETION) != 0;
-}
-
-void OfflinePageItem::MarkForDeletion() {
-  flags = static_cast<Flags>(static_cast<int>(flags) | MARKED_FOR_DELETION);
-}
-
-void OfflinePageItem::ClearMarkForDeletion() {
-  flags = static_cast<Flags>(static_cast<int>(flags) & ~MARKED_FOR_DELETION);
-}
-
 }  // namespace offline_pages