Scan-out capable buffers (aka ui::NativePixmap) for Mus

components/mus/gles2/gpu_memory_buffer_impl.cc

+// Copyright 2013 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/gles2/gpu_memory_buffer_impl.h"
+
+namespace mus {
+
+GpuMemoryBufferImpl::GpuMemoryBufferImpl(gfx::GpuMemoryBufferId id,
+                                         const gfx::Size& size,
+                                         gfx::BufferFormat format)
+    : id_(id), size_(size), format_(format), mapped_(false) {}
+
+GpuMemoryBufferImpl::~GpuMemoryBufferImpl() {
+  DCHECK(!mapped_);
+}
+
+// static
+GpuMemoryBufferImpl* GpuMemoryBufferImpl::FromClientBuffer(
+    ClientBuffer buffer) {
+  return reinterpret_cast<GpuMemoryBufferImpl*>(buffer);
+}
+
+gfx::Size GpuMemoryBufferImpl::GetSize() const {
+  return size_;
+}
+
+gfx::BufferFormat GpuMemoryBufferImpl::GetFormat() const {
+  return format_;
+}
+
+gfx::GpuMemoryBufferId GpuMemoryBufferImpl::GetId() const {
+  return id_;
+}
+
+ClientBuffer GpuMemoryBufferImpl::AsClientBuffer() {
+  return reinterpret_cast<ClientBuffer>(this);
+}
+
+#if defined(USE_OZONE)
+scoped_refptr<ui::NativePixmap> GpuMemoryBufferImpl::GetNativePixmap() {
+  return scoped_refptr<ui::NativePixmap>();
+}
+#endif
+
+}  // namespace mus