Add a method to determine when to show a one-time history notice in the CBD dialog

components/browsing_data_ui/history_notice_utils.h

Index: components/browsing_data_ui/history_notice_utils.h
diff --git a/components/browsing_data_ui/history_notice_utils.h b/components/browsing_data_ui/history_notice_utils.h
index dabd09a0a7eaa320b9bb65017c2e2bef9560db95..b6b68e9173df03ea23af392886eae46992fe09e9 100644
--- a/components/browsing_data_ui/history_notice_utils.h
+++ b/components/browsing_data_ui/history_notice_utils.h
@@ -23,6 +23,15 @@ void ShouldShowNoticeAboutOtherFormsOfBrowsingHistory(
     history::WebHistoryService* history_service,
     base::Callback<void(bool)> callback);
 
+// Whether the Clear Browsing Data UI should popup a dialog with information
+// about the existence of other forms of browsing history stored in user's
+// account when the user deletes their browsing history for the first time.
+// The response is returned in a |callback|.
+void ShouldPopupDialogAboutOtherFormsOfBrowsingHistory(
+    const ProfileSyncService* sync_service,
+    history::WebHistoryService* history_service,
+    base::Callback<void(bool)> callback);
+
 }  // namespace browsing_data_ui
 
 #endif  // COMPONENTS_BROWSING_DATA_UI_HISTORY_NOTICE_UTILS_H_