[Ozone-Dri] Rename DriWrapper to DrmDevice

ui/ozone/platform/dri/gbm_wrapper.cc

-// Copyright 2015 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 "ui/ozone/platform/dri/gbm_wrapper.h"
-
-#include <gbm.h>
-
-namespace ui {
-
-GbmWrapper::GbmWrapper(const base::FilePath& device_path)
-    : DriWrapper(device_path), device_(nullptr) {
-}
-
-GbmWrapper::GbmWrapper(const base::FilePath& device_path, base::File file)
-    : DriWrapper(device_path, file.Pass()), device_(nullptr) {
-}
-
-GbmWrapper::~GbmWrapper() {
-  if (device_)
-    gbm_device_destroy(device_);
-}
-
-bool GbmWrapper::Initialize() {
-  if (!DriWrapper::Initialize())
-    return false;
-
-  device_ = gbm_create_device(get_fd());
-  if (!device_) {
-    LOG(ERROR) << "Unable to initialize GBM";
-    return false;
-  }
-
-  return true;
-}
-
-}  // namespace ui