[SystemInfo API] Move Storage API out of experimental namespace and rename to the "system" namespace

chrome/common/extensions/api/experimental_system_info_storage.idl

-// 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.
-
-// Use the <code>chrome.experimental.systemInfo.storage</code> API to query
-// storage device information and be notified when it changes.
-namespace experimental.systemInfo.storage {
-
-  enum StorageUnitType {
-    // The storage has fixed media, e.g. hard disk or SSD.
-    fixed,
-    // The storage is removable, e.g. USB flash drive.
-    removable,
-    // The storage type is unknown.
-    unknown
-  };
-
-  dictionary StorageUnitInfo {
-    // The unique storage id. It will use the transient ID.
-    DOMString id;
-    // The name of the storage unit.
-    DOMString name;
-    // The media type of the storage unit.
-    StorageUnitType type;
-    // The total amount of the storage space, in bytes.
-    // Default value is 0 if query operation fails.
-    double capacity;
-  };
-
-  [inline_doc] enum EjectDeviceResultCode {
-    // The ejection command is successful -- the application can prompt the user
-    // to remove the device.
-    success,
-    // The device is in use by another application. The ejection did not
-    // succeed; the user should not remove the device until the other
-    // application is done with the device.
-    in_use,
-    // There is no such device known.
-    no_such_device,
-    // The ejection command failed.
-    failure
-  };
-
-  dictionary StorageFreeSpaceChangeInfo {
-    // The transient id of the storage unit already changed.
-    DOMString id;
-    // The new value of the available capacity.
-    double availableCapacity;
-  };
-
-  // A dictionary that describes the add particular storage device watch
-  // request results.
-  dictionary AddWatchResult {
-    DOMString id;
-    boolean success;
-  };
-
-  callback StorageInfoCallback = void (StorageUnitInfo[] info);
-
-  callback EjectDeviceCallback = void (EjectDeviceResultCode result);
-
-  callback AddWatchCallback = void (AddWatchResult info);
-
-  callback GetAllWatchCallback = void (DOMString[] storageIds);
-
-  interface Functions {
-    // Get the storage information from the system. The argument passed to the
-    // callback is an array of StorageUnitInfo objects.
-    static void get(StorageInfoCallback callback);
-
-    // Ejects a removable storage device.
-    // Note: We plan to move this function into a namespace that indicates it
-    // that modifies the state of the system rather than just gathering
-    // information.
-    static void ejectDevice(DOMString id, EjectDeviceCallback callback);
-
-    // Monitor a particular storage device available change capacity.
-    static void addWatch(DOMString id, AddWatchCallback callback);
-
-    // Remove the monitor of a particular device.
-    static void removeWatch(DOMString id);
-
-    // Get all the watched storage devices.
-    static void getAllWatch(GetAllWatchCallback callback);
-
-    // Remove all the storage devices monitors.
-    static void removeAllWatch();
-  };
-
-  interface Events {
-    // Fired when the storage device available capacity is changed.
-    // |info|: The changed information for the specified storage unit.
-    static void onAvailableCapacityChanged(StorageFreeSpaceChangeInfo info);
-
-    // Fired when a new removable storage is attached to the system.
-    static void onAttached(StorageUnitInfo info);
-
-    // Fired when a removable storage is detached from the system.
-    static void onDetached(DOMString id);
-  };
-
-};
-