Allow to pass remount option to Mount method of cros_disks_client.

chromeos/dbus/fake_cros_disks_client.h

 // Copyright (c) 2013 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 CHROMEOS_DBUS_FAKE_CROS_DISKS_CLIENT_H_
 #define CHROMEOS_DBUS_FAKE_CROS_DISKS_CLIENT_H_
 
 #include <set>
 #include <string>
 
@@ skipping 13 matching lines @@
   // CrosDisksClient overrides
   void Init(dbus::Bus* bus) override;
 
   // Performs fake mounting for archive files. Instead of actually extracting
   // contents of archive files, this function creates a directory that
   // contains a dummy file.
   void Mount(const std::string& source_path,
              const std::string& source_format,
              const std::string& mount_label,
              MountAccessMode access_mode,
+             RemountOption remount,
              const base::Closure& callback,
              const base::Closure& error_callback) override;
+
   // Deletes the directory created in Mount().
   void Unmount(const std::string& device_path,
                UnmountOptions options,
                const base::Closure& callback,
                const base::Closure& error_callback) override;
   void EnumerateAutoMountableDevices(
       const EnumerateAutoMountableDevicesCallback& callback,
       const base::Closure& error_callback) override;
   void EnumerateMountEntries(const EnumerateMountEntriesCallback& callback,
                              const base::Closure& error_callback) override;
@@ skipping 81 matching lines @@
   int format_call_count_;
   std::string last_format_device_path_;
   std::string last_format_filesystem_;
   bool format_success_;
   std::set<base::FilePath> mounted_paths_;
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_FAKE_CROS_DISKS_CLIENT_H_