Index: ash/system/audio/tray_volume.h |
diff --git a/ash/system/audio/tray_volume.h b/ash/system/audio/tray_volume.h |
index ddb9fd1c2192d335c1a3d80dc5502e713de25c49..d95698e7972dab9a07b5cf993b0fd7cacedf7a1c 100644 |
--- a/ash/system/audio/tray_volume.h |
+++ b/ash/system/audio/tray_volume.h |
@@ -18,7 +18,7 @@ class VolumeView; |
class TrayVolume : public TrayImageItem, |
public AudioObserver { |
public: |
- TrayVolume(); |
+ explicit TrayVolume(SystemTray* system_tray); |
virtual ~TrayVolume(); |
private: |