Chromium Code Reviews| Index: ash/system/monitor/tray_monitor.h | 
| diff --git a/ash/system/monitor/tray_monitor.h b/ash/system/monitor/tray_monitor.h | 
| index c397df4cb044693061df853d7a1effdc5ec20266..cad43f5747a4f1b8f422141af4942f005d17dc36 100644 | 
| --- a/ash/system/monitor/tray_monitor.h | 
| +++ b/ash/system/monitor/tray_monitor.h | 
| @@ -17,7 +17,7 @@ namespace internal { | 
| class TrayMonitor : public SystemTrayItem { | 
| public: | 
| - TrayMonitor(); | 
| + explicit TrayMonitor(SystemTray* system_tray); | 
| virtual ~TrayMonitor(); | 
| private: |