Corner Passthrough for Accessibility

ash/default_accessibility_delegate.cc

Index: ash/default_accessibility_delegate.cc
diff --git a/ash/default_accessibility_delegate.cc b/ash/default_accessibility_delegate.cc
index ee4f27b772cbfad3f4d5b60acf7dd304237272d8..b9ecfa2ee419d82562634daa960ade9d59edfabe 100644
--- a/ash/default_accessibility_delegate.cc
+++ b/ash/default_accessibility_delegate.cc
@@ -110,6 +110,9 @@ AccessibilityAlert DefaultAccessibilityDelegate::GetLastAccessibilityAlert() {
   return accessibility_alert_;
 }
 
+void DefaultAccessibilityDelegate::PlayEarcon(int sound_key) {
+}
+
 base::TimeDelta DefaultAccessibilityDelegate::PlayShutdownSound() const {
   return base::TimeDelta();
 }