Add NotificationAction.action member

Source/modules/notifications/Notification.h

Index: Source/modules/notifications/Notification.h
diff --git a/Source/modules/notifications/Notification.h b/Source/modules/notifications/Notification.h
index 938c5ad6a1779638b670f8ef2d4cfe6e5c8e4714..3dd3aa6059b7f1359521d473652cd0b17ace1685 100644
--- a/Source/modules/notifications/Notification.h
+++ b/Source/modules/notifications/Notification.h
@@ -148,7 +148,6 @@ private:
     void setVibrate(const NavigatorVibration::VibrationPattern& vibrate) { m_vibrate = vibrate; }
     void setSilent(bool silent) { m_silent = silent; }
     void setSerializedData(PassRefPtr<SerializedScriptValue> data) { m_serializedData = data; }
-    void setActions(const Vector<NotificationAction>& actions) { m_actions = actions; }
 
     void setPersistentId(int64_t persistentId) { m_persistentId = persistentId; }
 
@@ -192,6 +191,7 @@ void Notification::actionsToWebActions(const Vector<NotificationAction, C, A>& a
     WebVector<WebNotificationAction> clearedAndResized(count);
     webActions.swap(clearedAndResized);
     for (size_t i = 0; i < count; ++i) {
+        webActions[i].action = actions[i].action();
         webActions[i].title = actions[i].title();
     }
 }