[Ozone-Dri] Gracefully handle DRM devices with no resources

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_);
 }
 
-void GbmWrapper::Initialize() {
-  DriWrapper::Initialize();
+bool GbmWrapper::Initialize() {
+  if (!DriWrapper::Initialize())
+    return false;
+
   device_ = gbm_create_device(get_fd());
-  if (!device_)
-    LOG(FATAL) << "Unable to initialize GBM";
+  if (!device_) {
+    LOG(ERROR) << "Unable to initialize GBM";
+    return false;
+  }
+
+  return true;
 }
 
 }  // namespace ui