[Offline pages] Splitting Add and Update methods in OPMStore

components/offline_pages/offline_page_model_impl.h

Index: components/offline_pages/offline_page_model_impl.h
diff --git a/components/offline_pages/offline_page_model_impl.h b/components/offline_pages/offline_page_model_impl.h
index 20f9cc2e8cd95048cb108605f289e8c19af9bbb6..2b7d5e10aaa731170f70b2f09ca778ce7335fa32 100644
--- a/components/offline_pages/offline_page_model_impl.h
+++ b/components/offline_pages/offline_page_model_impl.h
@@ -186,7 +186,7 @@ class OfflinePageModelImpl : public OfflinePageModel, public KeyedService {
   void OnAddOfflinePageDone(OfflinePageArchiver* archiver,
                             const SavePageCallback& callback,
                             const OfflinePageItem& offline_page,
-                            bool success);
+                            OfflinePageMetadataStore::ItemActionStatus status);
   void InformSavePageDone(const SavePageCallback& callback,
                           SavePageResult result,
                           const ClientId& client_id,
@@ -249,7 +249,7 @@ class OfflinePageModelImpl : public OfflinePageModel, public KeyedService {
                                          const DeletePageCallback& callback);
 
   // Callback completing page expiration.
-  void OnExpirePageDone(int64_t offline_id,
+  void OnExpirePageDone(const std::vector<OfflinePageItem>& expired_pages,
                         const base::Time& expiration_time,
                         bool success);