[fsp] Decouple file_service_provider::Service.

chrome/browser/chromeos/file_system_provider/util.h

+// Copyright 2014 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.
+
+#ifndef CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_UTIL_H_
+#define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_UTIL_H_

[hashimoto, 2014/04/09 06:18:23]

I'm a bit worried about the file name "util.h" because it's too generic so that
this file will soon be as messy as a trash bin.
How about using a slightly clearer name like "path_util.h" or "mount_util.h"?

[mtomasz, 2014/04/09 19:51:15]

Done.

+
+#include <string>
+
+class Profile;
+
+namespace base {
+class FilePath;
+}  // namespace base
+
+namespace chromeos {
+namespace file_system_provider {
+namespace util {
+
+// Constructs a safe mount point path for the provided file system.
+base::FilePath GetMountPointPath(Profile* profile,
+                                 std::string extension_id,
+                                 int file_system_id);
+
+}  // namespace util
+}  // namespace file_system_provider
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_UTIL_H_