Index: ash/system/tray/system_tray_delegate.h |
diff --git a/ash/system/tray/system_tray_delegate.h b/ash/system/tray/system_tray_delegate.h |
index bde71118dce3af5d9a80e895614b212647b732ff..6af67fe5a7e85e413bd94461a74747e6d2875954 100644 |
--- a/ash/system/tray/system_tray_delegate.h |
+++ b/ash/system/tray/system_tray_delegate.h |
@@ -148,10 +148,10 @@ class SystemTrayDelegate { |
// Mutes/Unmutes the audio system. |
virtual void SetAudioMuted(bool muted) = 0; |
- // Gets the volume level. |
+ // Gets the volume level. The range is [0, 1.0]. |
virtual float GetVolumeLevel() const = 0; |
- // Sets the volume level. |
+ // Sets the volume level. The range is [0, 1.0]. |
virtual void SetVolumeLevel(float level) = 0; |
// Gets whether the caps lock is on. |