Do not submit: high level overview patch.

chrome/browser/sessions/tab_restore_service_delegate.h

Index: chrome/browser/sessions/tab_restore_service_delegate.h
diff --git a/chrome/browser/sessions/tab_restore_service_delegate.h b/chrome/browser/sessions/tab_restore_service_delegate.h
index 3a795677ed7bd30dec86cf8dbc17cd148f016080..0835f2c07d86693de1b033e97e9ac50436442643 100644
--- a/chrome/browser/sessions/tab_restore_service_delegate.h
+++ b/chrome/browser/sessions/tab_restore_service_delegate.h
@@ -57,14 +57,16 @@ class TabRestoreServiceDelegate {
       bool pin,
       bool from_last_session,
       content::SessionStorageNamespace* storage_namespace,
-      const std::string& user_agent_override) = 0;
+      const std::string& user_agent_override,
+      const int64& sync_id) = 0;
   virtual void ReplaceRestoredTab(
       const std::vector<sessions::SerializedNavigationEntry>& navigations,
       int selected_navigation,
       bool from_last_session,
       const std::string& extension_app_id,
       content::SessionStorageNamespace* session_storage_namespace,
-      const std::string& user_agent_override) = 0;
+      const std::string& user_agent_override,
+      const int64& sync_id) = 0;
   virtual void CloseTab() = 0;
 
   // see Browser::Create