Index: ash/common/system/accessibility_observer.h |
diff --git a/ash/common/system/accessibility_observer.h b/ash/common/system/accessibility_observer.h |
new file mode 100644 |
index 0000000000000000000000000000000000000000..180d41d3fcedde417189ea7ae6a126cf4e946122 |
--- /dev/null |
+++ b/ash/common/system/accessibility_observer.h |
@@ -0,0 +1,24 @@ |
+// Copyright 2016 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef ASH_COMMON_SYSTEM_ACCESSIBILITY_OBSERVER_H_ |
+#define ASH_COMMON_SYSTEM_ACCESSIBILITY_OBSERVER_H_ |
+ |
+#include "ash/ash_export.h" |
+#include "ash/common/accessibility_types.h" |
+ |
+namespace ash { |
+ |
+class ASH_EXPORT AccessibilityObserver { |
+ public: |
+ virtual ~AccessibilityObserver() {} |
+ |
+ // Notifies when accessibility mode changes. |
+ virtual void OnAccessibilityModeChanged( |
+ ui::AccessibilityNotificationVisibility notify) = 0; |
+}; |
+ |
+} // namespace ash |
+ |
+#endif // ASH_COMMON_SYSTEM_ACCESSIBILITY_OBSERVER_H_ |