1 files changed, 42 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/libANGLE/renderer/OverlayImpl.h b/gfx/angle/checkout/src/libANGLE/renderer/OverlayImpl.h
new file mode 100644
index 0000000000..fc1b1b0d58
--- /dev/null
+++ b/gfx/angle/checkout/src/libANGLE/renderer/OverlayImpl.h
@@ -0,0 +1,42 @@
+//
+// Copyright 2019 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+// OverlayImpl.h: Defines the abstract rx::OverlayImpl class.
+
+#ifndef LIBANGLE_RENDERER_OVERLAYIMPL_H_
+#define LIBANGLE_RENDERER_OVERLAYIMPL_H_
+
+#include "common/PackedEnums.h"
+#include "common/angleutils.h"
+#include "common/mathutil.h"
+#include "libANGLE/Error.h"
+#include "libANGLE/Observer.h"
+
+#include <stdint.h>
+
+namespace gl
+{
+class Context;
+class OverlayState;
+}  // namespace gl
+
+namespace rx
+{
+class OverlayImpl : angle::NonCopyable
+{
+  public:
+    OverlayImpl(const gl::OverlayState &state) : mState(state) {}
+    virtual ~OverlayImpl() {}
+
+    virtual void onDestroy(const gl::Context *context) {}
+
+  protected:
+    const gl::OverlayState &mState;
+};
+
+}  // namespace rx
+
+#endif  // LIBANGLE_RENDERER_OVERLAYIMPL_H_