Corner Passthrough for Accessibility

ash/accessibility_delegate.h

Index: ash/accessibility_delegate.h
diff --git a/ash/accessibility_delegate.h b/ash/accessibility_delegate.h
index 7dc2826e352796f6687366304c3b4260c48abfa3..410ea7a2590777725322a0a3ce566975a7271b33 100644
--- a/ash/accessibility_delegate.h
+++ b/ash/accessibility_delegate.h
@@ -92,6 +92,11 @@ class ASH_EXPORT AccessibilityDelegate {
   // Gets the last accessibility alert that was triggered.
   virtual AccessibilityAlert GetLastAccessibilityAlert() = 0;
 
+  // Plays an earcon. Earcons are brief and distinctive sounds that indicate
+  // when their mapped event has occurred. The sound key enums can be found in
+  // chromeos/audio/chromeos_sounds.h.
+  virtual void PlayEarcon(int sound_key) = 0;
+
   // Initiates play of shutdown sound and returns it's duration.
   virtual base::TimeDelta PlayShutdownSound() const = 0;
 };