Share MediaStorageUtil common code among platforms.

chrome/browser/system_monitor/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/system_monitor/media_storage_util.h"
-
-#include "base/callback.h"
-#include "base/system_monitor/system_monitor.h"
-#include "chrome/browser/system_monitor/removable_device_notifications_linux.h"
-
-namespace chrome {
-
-// static
-bool MediaStorageUtil::GetDeviceInfoFromPathImpl(const FilePath& path,
-                                                 std::string* device_id,
-                                                 string16* device_name,
-                                                 FilePath* relative_path) {
-  RemovableDeviceNotificationsLinux* device_tracker =
-      RemovableDeviceNotificationsLinux::GetInstance();
-  DCHECK(device_tracker);
-  base::SystemMonitor::RemovableStorageInfo device_info;
-  bool found_device = device_tracker->GetDeviceInfoForPath(path, &device_info);
-
-  if (found_device && IsRemovableDevice(device_info.device_id)) {
-    if (device_id)
-      *device_id = device_info.device_id;
-    if (device_name)
-      *device_name = device_info.name;
-    if (relative_path) {
-      *relative_path = FilePath();
-      FilePath mount_point(device_info.location);
-      mount_point.AppendRelativePath(path, relative_path);
-    }
-    return true;
-  }
-
-  if (device_id)
-    *device_id = MakeDeviceId(FIXED_MASS_STORAGE, path.AsUTF8Unsafe());
-  if (device_name)
-    *device_name = path.BaseName().LossyDisplayName();
-  if (relative_path)
-    *relative_path = FilePath();
-  return true;
-}
-
-}  // namespace chrome