[Offline pages] Splitting Add and Update methods in OPMStore

components/offline_pages/offline_page_metadata_store_sql.h

Index: components/offline_pages/offline_page_metadata_store_sql.h
diff --git a/components/offline_pages/offline_page_metadata_store_sql.h b/components/offline_pages/offline_page_metadata_store_sql.h
index cac358a4ee944a2cf4f07dabfcbf4cd6cba890fd..8f941cc10ce509a7a5d271eac7788838205da265 100644
--- a/components/offline_pages/offline_page_metadata_store_sql.h
+++ b/components/offline_pages/offline_page_metadata_store_sql.h
@@ -59,8 +59,10 @@ class OfflinePageMetadataStoreSQL : public OfflinePageMetadataStore {
 
   // Implementation methods.
   void GetOfflinePages(const LoadCallback& callback) override;
-  void AddOrUpdateOfflinePage(const OfflinePageItem& offline_page,
-                              const UpdateCallback& callback) override;
+  void AddOfflinePage(const OfflinePageItem& offline_page,
+                      const AddCallback& callback) override;
+  void UpdateOfflinePages(const std::vector<OfflinePageItem>& pages,
+                          const UpdateCallback& callback) override;
   void RemoveOfflinePages(const std::vector<int64_t>& offline_ids,
                           const UpdateCallback& callback) override;
   void Reset(const ResetCallback& callback) override;