Move display_compositor impls to components/mus/gpu

components/mus/surfaces/compositor_frame_sink_delegate.h

Index: components/mus/surfaces/compositor_frame_sink_delegate.h
diff --git a/components/mus/surfaces/compositor_frame_sink_delegate.h b/components/mus/surfaces/compositor_frame_sink_delegate.h
deleted file mode 100644
index b470d041623b03ef96d5e80890f14bc184b4083c..0000000000000000000000000000000000000000
--- a/components/mus/surfaces/compositor_frame_sink_delegate.h
+++ /dev/null
@@ -1,27 +0,0 @@
-// 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 COMPONENTS_MUS_SURFACES_COMPOSITOR_FRAME_SINK_DELEGATE_H_
-#define COMPONENTS_MUS_SURFACES_COMPOSITOR_FRAME_SINK_DELEGATE_H_
-
-#include "cc/surfaces/surface_id.h"
-
-namespace mus {
-namespace gpu {
-
-class CompositorFrameSinkImpl;
-
-// A CompositorFrameSinkDelegate decouples CompositorFrameSinks from their
-// factories enabling them to be unit tested.
-class CompositorFrameSinkDelegate {
- public:
-  virtual void CompositorFrameSinkConnectionLost(int sink_id) = 0;
-
-  virtual cc::SurfaceId GenerateSurfaceId() = 0;
-};
-
-}  // namespace gpu
-}  // namespace mus
-
-#endif  // COMPONENTS_MUS_SURFACES_COMPOSITOR_FRAME_SINK_DELEGATE_H_