diff --git a/chrome/browser/vr/scheduler_ui_interface.h b/chrome/browser/vr/scheduler_ui_interface.h
new file mode 100644
index 0000000..c8407f6
--- /dev/null
+++ b/chrome/browser/vr/scheduler_ui_interface.h
@@ -0,0 +1,26 @@
+// Copyright 2018 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 CHROME_BROWSER_VR_SCHEDULER_UI_INTERFACE_H_
+#define CHROME_BROWSER_VR_SCHEDULER_UI_INTERFACE_H_
+
+#include <utility>
+
+#include "chrome/browser/vr/gl_texture_location.h"
+#include "chrome/browser/vr/vr_export.h"
+
+namespace vr {
+
+class VR_EXPORT SchedulerUiInterface {
+ public:
+  virtual ~SchedulerUiInterface() {}
+
+  virtual void OnWebXrFrameAvailable() = 0;
+  virtual void OnWebXrTimedOut() = 0;
+  virtual void OnWebXrTimeoutImminent() = 0;
+};
+
+}  // namespace vr
+
+#endif  // CHROME_BROWSER_VR_SCHEDULER_UI_INTERFACE_H_