Impl mus::mojom::GpuService to enable using Chrome IPC version gpu CmdBuf in mus

components/mus/gpu/gpu_type_converters.cc

Index: components/mus/gpu/gpu_type_converters.cc
diff --git a/components/mus/gpu/gpu_type_converters.cc b/components/mus/gpu/gpu_type_converters.cc
deleted file mode 100644
index 80bf4d9f4db7505d24ecee8b29bbedeb106079d7..0000000000000000000000000000000000000000
--- a/components/mus/gpu/gpu_type_converters.cc
+++ /dev/null
@@ -1,149 +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.
-
-#include "components/mus/gpu/gpu_type_converters.h"
-
-#include "build/build_config.h"
-#include "ipc/ipc_channel_handle.h"
-#include "mojo/public/cpp/system/platform_handle.h"
-#include "ui/gfx/gpu_memory_buffer.h"
-
-#if defined(USE_OZONE)
-#include "ui/gfx/native_pixmap_handle_ozone.h"
-#endif
-
-namespace mojo {
-
-// static
-mus::mojom::ChannelHandlePtr
-TypeConverter<mus::mojom::ChannelHandlePtr, IPC::ChannelHandle>::Convert(
-    const IPC::ChannelHandle& handle) {
-  mus::mojom::ChannelHandlePtr result = mus::mojom::ChannelHandle::New();
-  result->name = handle.name;
-#if defined(OS_WIN)
-  // On windows, a pipe handle Will NOT be marshalled over IPC.
-  DCHECK(handle.pipe.handle == NULL);
-#else
-  DCHECK(handle.socket.auto_close || handle.socket.fd == -1);
-  base::PlatformFile platform_file = handle.socket.fd;
-  if (platform_file != -1)
-    result->socket = mojo::WrapPlatformFile(platform_file);
-#endif
-  return result;
-}
-
-// static
-IPC::ChannelHandle
-TypeConverter<IPC::ChannelHandle, mus::mojom::ChannelHandlePtr>::Convert(
-    const mus::mojom::ChannelHandlePtr& handle) {
-  if (handle.is_null())
-    return IPC::ChannelHandle();
-#if defined(OS_WIN)
-  // On windows, a pipe handle Will NOT be marshalled over IPC.
-  DCHECK(!handle->socket.is_valid());
-  return IPC::ChannelHandle(handle->name);
-#else
-  base::PlatformFile platform_file = -1;
-  mojo::UnwrapPlatformFile(std::move(handle->socket), &platform_file);
-  return IPC::ChannelHandle(handle->name,
-                            base::FileDescriptor(platform_file, true));
-#endif
-}
-
-#if defined(USE_OZONE)
-// static
-mus::mojom::NativePixmapHandlePtr TypeConverter<
-    mus::mojom::NativePixmapHandlePtr,
-    gfx::NativePixmapHandle>::Convert(const gfx::NativePixmapHandle& handle) {
-  // TODO(penghuang); support NativePixmapHandle.
-  mus::mojom::NativePixmapHandlePtr result =
-      mus::mojom::NativePixmapHandle::New();
-  return result;
-}
-
-// static
-gfx::NativePixmapHandle
-TypeConverter<gfx::NativePixmapHandle, mus::mojom::NativePixmapHandlePtr>::
-    Convert(const mus::mojom::NativePixmapHandlePtr& handle) {
-  // TODO(penghuang); support NativePixmapHandle.
-  gfx::NativePixmapHandle result;
-  return result;
-}
-#endif
-
-// static
-mus::mojom::GpuMemoryBufferIdPtr TypeConverter<
-    mus::mojom::GpuMemoryBufferIdPtr,
-    gfx::GpuMemoryBufferId>::Convert(const gfx::GpuMemoryBufferId& id) {
-  mus::mojom::GpuMemoryBufferIdPtr result =
-      mus::mojom::GpuMemoryBufferId::New();
-  result->id = id.id;
-  return result;
-}
-
-// static
-gfx::GpuMemoryBufferId
-TypeConverter<gfx::GpuMemoryBufferId, mus::mojom::GpuMemoryBufferIdPtr>::
-    Convert(const mus::mojom::GpuMemoryBufferIdPtr& id) {
-  return gfx::GpuMemoryBufferId(id->id);
-}
-
-// static
-mus::mojom::GpuMemoryBufferHandlePtr TypeConverter<
-    mus::mojom::GpuMemoryBufferHandlePtr,
-    gfx::GpuMemoryBufferHandle>::Convert(const gfx::GpuMemoryBufferHandle&
-                                             handle) {
-  DCHECK(handle.type == gfx::SHARED_MEMORY_BUFFER);
-  mus::mojom::GpuMemoryBufferHandlePtr result =
-      mus::mojom::GpuMemoryBufferHandle::New();
-  result->type = static_cast<mus::mojom::GpuMemoryBufferType>(handle.type);
-  result->id = mus::mojom::GpuMemoryBufferId::From(handle.id);
-  base::PlatformFile platform_file;
-#if defined(OS_WIN)
-  platform_file = handle.handle.GetHandle();
-#else
-  DCHECK(handle.handle.auto_close || handle.handle.fd == -1);
-  platform_file = handle.handle.fd;
-#endif
-  result->buffer_handle = mojo::WrapPlatformFile(platform_file);
-  result->offset = handle.offset;
-  result->stride = handle.stride;
-#if defined(USE_OZONE)
-  result->native_pixmap_handle =
-      mus::mojom::NativePixmapHandle::From(handle.native_pixmap_handle);
-#endif
-  return result;
-}
-
-// static
-gfx::GpuMemoryBufferHandle TypeConverter<gfx::GpuMemoryBufferHandle,
-                                         mus::mojom::GpuMemoryBufferHandlePtr>::
-    Convert(const mus::mojom::GpuMemoryBufferHandlePtr& handle) {
-  DCHECK(handle->type == mus::mojom::GpuMemoryBufferType::SHARED_MEMORY);
-  gfx::GpuMemoryBufferHandle result;
-  result.type = static_cast<gfx::GpuMemoryBufferType>(handle->type);
-  result.id = handle->id.To<gfx::GpuMemoryBufferId>();
-  base::PlatformFile platform_file;
-  MojoResult unwrap_result = mojo::UnwrapPlatformFile(
-      std::move(handle->buffer_handle), &platform_file);
-  if (unwrap_result == MOJO_RESULT_OK) {
-#if defined(OS_WIN)
-    result.handle =
-        base::SharedMemoryHandle(platform_file, base::GetCurrentProcId());
-#else
-    result.handle = base::SharedMemoryHandle(platform_file, true);
-#endif
-  }
-  result.offset = handle->offset;
-  result.stride = handle->stride;
-#if defined(USE_OZONE)
-  result.native_pixmap_handle =
-      handle->native_pixmap_handle.To<gfx::NativePixmapHandle>();
-#else
-  DCHECK(handle->native_pixmap_handle.is_null());
-#endif
-  return result;
-}
-
-}  // namespace mojo