| Index: ash/system/audio/tray_volume.h
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| diff --git a/ash/system/audio/tray_volume.h b/ash/system/audio/tray_volume.h
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| index 8dd71dc666a152183d37933ad6529dd8b3d19e9d..2a0d06bc56d939170e08774abba153ae358e8fd2 100644
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| --- a/ash/system/audio/tray_volume.h
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| +++ b/ash/system/audio/tray_volume.h
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| @@ -33,6 +33,7 @@ class TrayVolume : public TrayImageItem,
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|  
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|    // Overridden from AudioObserver.
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|    virtual void OnVolumeChanged(float percent) OVERRIDE;
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| +  virtual void OnMuteToggled() OVERRIDE;
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|  
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|    tray::VolumeView* volume_view_;
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|  
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| 
 |