[fsp] Group arguments for mounting into a struct.

chrome/browser/chromeos/file_system_provider/provided_file_system_info.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_PROVIDED_FILE_SYSTEM_INFO_H_
 #define CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PROVIDED_FILE_SYSTEM_INFO_H_
 
 #include <string>
 
 #include "base/files/file_path.h"
 
 namespace chromeos {
 namespace file_system_provider {
 
+// Options for creating the provided file system info.
+struct MountOptions {
+  MountOptions();
+
+  // Only mandatory fields.
+  MountOptions(const std::string& file_system_id,
+               const std::string& display_name);
+
+  std::string extension_id;
+  std::string file_system_id;
+  std::string display_name;
+  bool writable;
+  bool supports_notify_tag;
+};
+
 // Contains information about the provided file system instance.
 class ProvidedFileSystemInfo {
  public:
   ProvidedFileSystemInfo();
+
   ProvidedFileSystemInfo(const std::string& extension_id,
-                         const std::string& file_system_id,
-                         const std::string& display_name,
-                         bool writable,
-                         bool supports_notify_tag,
+                         const MountOptions& mount_options,
                          const base::FilePath& mount_path);
 
   ~ProvidedFileSystemInfo();
 
   const std::string& extension_id() const { return extension_id_; }
   const std::string& file_system_id() const { return file_system_id_; }
   const std::string& display_name() const { return display_name_; }
   bool writable() const { return writable_; }
   bool supports_notify_tag() const { return supports_notify_tag_; }
   const base::FilePath& mount_path() const { return mount_path_; }
@@ skipping 15 matching lines @@
   bool supports_notify_tag_;
 
   // Mount path of the underlying file system.
   base::FilePath mount_path_;
 };
 
 }  // namespace file_system_provider
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_FILE_SYSTEM_PROVIDER_PROVIDED_FILE_SYSTEM_INFO_H_