Decouple GpuCompositorFrameSink from DisplayCompositor

services/ui/surfaces/gpu_display_compositor_frame_sink.cc

-// 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.
-
-#include "services/ui/surfaces/gpu_display_compositor_frame_sink.h"
-
-namespace ui {
-
-GpuDisplayCompositorFrameSink::GpuDisplayCompositorFrameSink(
-    DisplayCompositor* display_compositor,
-    const cc::FrameSinkId& frame_sink_id,
-    std::unique_ptr<cc::Display> display,
-    std::unique_ptr<cc::BeginFrameSource> begin_frame_source,
-    cc::mojom::MojoCompositorFrameSinkAssociatedRequest request,
-    cc::mojom::MojoCompositorFrameSinkPrivateRequest
-        compositor_frame_sink_private_request,
-    cc::mojom::MojoCompositorFrameSinkClientPtr client,
-    cc::mojom::DisplayPrivateAssociatedRequest display_private_request)
-    : GpuCompositorFrameSink(display_compositor,
-                             frame_sink_id,
-                             std::move(display),
-                             std::move(begin_frame_source),
-                             std::move(compositor_frame_sink_private_request),
-                             std::move(client)),
-      binding_(this, std::move(request)),
-      display_private_binding_(this, std::move(display_private_request)) {
-  binding_.set_connection_error_handler(
-      base::Bind(&GpuDisplayCompositorFrameSink::OnClientConnectionLost,
-                 base::Unretained(this)));
-}
-
-GpuDisplayCompositorFrameSink::~GpuDisplayCompositorFrameSink() = default;
-
-void GpuDisplayCompositorFrameSink::SetDisplayVisible(bool visible) {
-  DCHECK(support_.display());
-  support_.display()->SetVisible(visible);
-}
-
-void GpuDisplayCompositorFrameSink::ResizeDisplay(const gfx::Size& size) {
-  DCHECK(support_.display());
-  support_.display()->Resize(size);
-}
-
-void GpuDisplayCompositorFrameSink::SetDisplayColorSpace(
-    const gfx::ColorSpace& color_space) {
-  DCHECK(support_.display());
-  support_.display()->SetColorSpace(color_space);
-}
-
-void GpuDisplayCompositorFrameSink::SetOutputIsSecure(bool secure) {
-  DCHECK(support_.display());
-  support_.display()->SetOutputIsSecure(secure);
-}
-
-}  // namespace ui