Store correct read-only flag of mounted disks.

chromeos/disks/disk_mount_manager.h

 // 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.
 
 #ifndef CHROMEOS_DISKS_DISK_MOUNT_MANAGER_H_
 #define CHROMEOS_DISKS_DISK_MOUNT_MANAGER_H_
 
 #include <stdint.h>
 
 #include <map>
@@ skipping 130 matching lines @@
     // Is the device on the removable device.
     bool on_removable_device() const { return on_removable_device_; }
 
     // Shoud the device be shown in the UI, or automounted.
     bool is_hidden() const { return is_hidden_; }
 
     void set_mount_path(const std::string& mount_path) {
       mount_path_ = mount_path;
     }
 
+    void set_read_only(bool is_read_only) { is_read_only_ = is_read_only; }
+
     void clear_mount_path() { mount_path_.clear(); }
 
    private:
     std::string device_path_;
     std::string mount_path_;
     std::string system_path_;
     std::string file_path_;
     std::string device_label_;
     std::string drive_label_;
     std::string vendor_id_;
@@ skipping 151 matching lines @@
 
   // Returns a pointer to the global DiskMountManager instance.
   // Initialize() should already have been called.
   static DiskMountManager* GetInstance();
 };
 
 }  // namespace disks
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DISKS_DISK_MOUNT_MANAGER_H_