Index: chrome/browser/chromeos/audio/audio_mixer.h |
diff --git a/chrome/browser/chromeos/audio/audio_mixer.h b/chrome/browser/chromeos/audio/audio_mixer.h |
index e31ff2b2fe6805f1189bec9834ef109bd0b7c3f1..77b9ca9f79ad3f0562e4914d4c5148418ad1ac00 100644 |
--- a/chrome/browser/chromeos/audio/audio_mixer.h |
+++ b/chrome/browser/chromeos/audio/audio_mixer.h |
@@ -6,6 +6,7 @@ |
#define CHROME_BROWSER_CHROMEOS_AUDIO_AUDIO_MIXER_H_ |
#include "base/basictypes.h" |
+#include "base/callback_forward.h" |
namespace chromeos { |
@@ -17,7 +18,7 @@ class AudioMixer { |
// Initializes the connection to the device. This must be called on the UI |
// thread; blocking tasks may take place in the background. Note that the |
// other methods in this interface can be called before Init(). |
- virtual void Init() = 0; |
+ virtual void Init(const base::Closure& on_connected) = 0; |
// Returns the most-recently-set volume, in the range [0.0, 100.0]. |
virtual double GetVolumePercent() = 0; |