Introduce DisplayCompositor Mojo API for Mus

components/mus/surfaces/display_impl.cc

+// 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.
+
+#include "components/mus/surfaces/display_impl.h"
+
+#include "components/mus/surfaces/compositor_frame_sink_impl.h"
+
+namespace mus {
+namespace gpu {
+
+DisplayImpl::DisplayImpl(
+    int accelerated_widget,
+    mojo::InterfaceRequest<mojom::Display> display,
+    mojom::DisplayHostPtr host,
+    mojo::InterfaceRequest<mojom::CompositorFrameSink> sink,
+    mojom::CompositorFrameSinkClientPtr client,
+    const scoped_refptr<SurfacesState>& surfaces_state)
+    : binding_(this, std::move(display)) {
+  const uint32_t client_id = 1;
+  sink_.reset(new CompositorFrameSinkImpl(this, client_id, surfaces_state,
+                                          std::move(sink), std::move(client)));
+}
+
+DisplayImpl::~DisplayImpl() {}
+
+void DisplayImpl::CreateClient(
+    uint32_t client_id,
+    mojo::InterfaceRequest<mojom::DisplayClient> client) {
+  NOTIMPLEMENTED();
+}
+
+void DisplayImpl::CompositorFrameSinkConnectionLost(int sink_id) {
+  NOTIMPLEMENTED();
+}
+
+cc::SurfaceId DisplayImpl::GenerateSurfaceId() {
+  NOTIMPLEMENTED();
+  return cc::SurfaceId();
+}
+
+}  // namespace gpu
+}  // namespace mus