Move device notification impl out of chrome/browser/media_gallery

chrome/browser/media_gallery/media_storage_util_linux.cc

-// Copyright (c) 2012 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.
-
-// Linux specific implementation of chrome::MediaStorageUtil.
-
-#include "chrome/browser/media_gallery/media_storage_util.h"
-
-#include "base/callback.h"
-#include "base/system_monitor/system_monitor.h"
-#include "chrome/browser/media_gallery/removable_device_notifications_linux.h"
-
-namespace chrome {
-
-// static
-void MediaStorageUtil::GetDeviceInfoFromPath(
-    const FilePath& path, const DeviceInfoCallback& callback) {
-  RemovableDeviceNotificationsLinux* device_tracker =
-      RemovableDeviceNotificationsLinux::GetInstance();
-  DCHECK(device_tracker);
-  base::SystemMonitor::RemovableStorageInfo device_info;
-  bool found_device = device_tracker->GetDeviceInfoForPath(path, &device_info);
-
-  FilePath relative_path;
-  if (found_device && IsRemovableDevice(device_info.device_id)) {
-    FilePath mount_point(device_info.location);
-    mount_point.AppendRelativePath(path, &relative_path);
-  } else {
-    device_info.device_id =
-        MakeDeviceId(FIXED_MASS_STORAGE, path.AsUTF8Unsafe());
-    device_info.name = path.BaseName().LossyDisplayName();
-  }
-  callback.Run(device_info.device_id, relative_path, device_info.name);
-}
-
-}  // namespace chrome