1 files changed, 29 insertions, 0 deletions
diff --git a/chromium/ash/system/chromeos/screen_security/screen_share_observer.h b/chromium/ash/system/chromeos/screen_security/screen_share_observer.h
new file mode 100644
index 00000000000..fb6a556fa2c
--- /dev/null
+++ b/chromium/ash/system/chromeos/screen_security/screen_share_observer.h
@@ -0,0 +1,29 @@
+// Copyright 2013 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_SYSTEM_CHROMEOS_SCREEN_SHARE_SCREEN_SHARE_OBSERVER_H_
+#define ASH_SYSTEM_CHROMEOS_SCREEN_SHARE_SCREEN_SHARE_OBSERVER_H_
+
+#include "base/callback.h"
+#include "base/strings/string16.h"
+
+namespace ash {
+
+class ScreenShareObserver {
+ public:
+  // Called when screen share is started.
+  virtual void OnScreenShareStart(
+      const base::Closure& stop_callback,
+      const base::string16& helper_name) = 0;
+
+  // Called when screen share is stopped.
+  virtual void OnScreenShareStop() = 0;
+
+ protected:
+  virtual ~ScreenShareObserver() {}
+};
+
+}  // namespace ash
+
+#endif  // ASH_SYSTEM_CHROMEOS_SCREEN_SHARE_SCREEN_SHARE_OBSERVER_H_