[Offline Pages] Removes two-step expiration related.

chrome/browser/android/offline_pages/offline_page_bookmark_observer.h

Index: chrome/browser/android/offline_pages/offline_page_bookmark_observer.h
diff --git a/chrome/browser/android/offline_pages/offline_page_bookmark_observer.h b/chrome/browser/android/offline_pages/offline_page_bookmark_observer.h
index e5f859568da4538a7b8b5d7fcb96c60559c44f7d..33c2a9cf725da153a7af23f366d20682c9a6a08d 100644
--- a/chrome/browser/android/offline_pages/offline_page_bookmark_observer.h
+++ b/chrome/browser/android/offline_pages/offline_page_bookmark_observer.h
@@ -38,11 +38,11 @@ class OfflinePageBookmarkObserver
                            const std::set<GURL>& removed_urls) override;
 
  private:
-  // Does work for actual expiring.
-  void DoExpireRemovedBookmarkPages(const MultipleOfflineIdResult& offline_ids);
+  // Does work for actual deleting removed bookmark pages.
+  void DoDeleteRemovedBookmarkPages(const MultipleOfflineIdResult& offline_ids);
 
-  // Callback for expiring removed bookmark pages.
-  void OnExpireRemovedBookmarkPagesDone(bool result);
+  // Callback for deleting removed bookmark pages.
+  void OnDeleteRemovedBookmarkPagesDone(DeletePageResult result);
 
   content::BrowserContext* context_;