Create //components/viz/frame_sinks and move code.

components/viz/frame_sinks/gpu_compositor_frame_sink_delegate.h

 // Copyright 2017 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_DISPLAY_COMPOSITOR_GPU_COMPOSITOR_FRAME_SINK_DELEGATE_H_
-#define COMPONENTS_DISPLAY_COMPOSITOR_GPU_COMPOSITOR_FRAME_SINK_DELEGATE_H_
+#ifndef COMPONENTS_VIZ_FRAME_SINKS_GPU_COMPOSITOR_FRAME_SINK_DELEGATE_H_
+#define COMPONENTS_VIZ_FRAME_SINKS_GPU_COMPOSITOR_FRAME_SINK_DELEGATE_H_
 
 namespace cc {
 class FrameSinkId;
 }
 
-namespace display_compositor {
+namespace viz {
 
 class GpuCompositorFrameSinkDelegate {
  public:
   // We must avoid destroying a GpuCompositorFrameSink until both the display
   // compositor host and the client drop their connection to avoid getting into
   // a state where surfaces references are inconsistent.
   virtual void OnClientConnectionLost(const cc::FrameSinkId& frame_sink_id,
                                       bool destroy_compositor_frame_sink) = 0;
   virtual void OnPrivateConnectionLost(const cc::FrameSinkId& frame_sink_id,
                                        bool destroy_compositor_frame_sink) = 0;
 
  protected:
   virtual ~GpuCompositorFrameSinkDelegate() {}
 };
 
-}  // namespace display_compositor
+}  // namespace viz
 
-#endif  // COMPONENTS_DISPLAY_COMPOSITOR_GPU_COMPOSITOR_FRAME_SINK_DELEGATE_H_
+#endif  // COMPONENTS_VIZ_FRAME_SINKS_GPU_COMPOSITOR_FRAME_SINK_DELEGATE_H_