Replace mountType by volumeType on fileBrowserPrivate APIs.

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 <map>
 
 #include "base/callback_forward.h"
@@ skipping 254 matching lines @@
   // Unmounts device_path and all of its known children.
   virtual void UnmountDeviceRecursively(
       const std::string& device_path,
       const UnmountDeviceRecursivelyCallbackType& callback) = 0;
 
   // Used in tests to initialize the manager's disk and mount point sets.
   // Default implementation does noting. It just fails.
   virtual bool AddDiskForTest(Disk* disk);
   virtual bool AddMountPointForTest(const MountPointInfo& mount_point);
 
-  // Returns corresponding string to |type| like "device" or "file".
-  static std::string MountTypeToString(MountType type);
-
-  // The inverse function of MountTypeToString.
-  static MountType MountTypeFromString(const std::string& type_str);
-
   // Returns corresponding string to |type| like "unknown_filesystem".
   static std::string MountConditionToString(MountCondition type);
 
   // Returns corresponding string to |type|, like "sd", "usb".
   static std::string DeviceTypeToString(DeviceType type);
 
   // Creates the global DiskMountManager instance.
   static void Initialize();
 
   // Similar to Initialize(), but can inject an alternative
   // DiskMountManager such as MockDiskMountManager for testing.
   // The injected object will be owned by the internal pointer and deleted
   // by Shutdown().
   static void InitializeForTesting(DiskMountManager* disk_mount_manager);
 
   // Destroys the global DiskMountManager instance if it exists.
   static void Shutdown();
 
   // 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_