Move system.* family of APIs to extensions/

chrome/common/extensions/api/system_storage.idl

-// Copyright 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.
-
-// Use the <code>chrome.system.storage</code> API to query storage device
-// information and be notified when a removable storage device is attached and
-// detached.
-namespace system.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 transient ID that uniquely identifies the storage device.
-    // This ID will be persistent within the same run of a single application.
-    // It will not be a persistent identifier between different runs of an
-    // application, or between different applications.
-    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.
-    double capacity;
-  };
-
-  dictionary StorageAvailableCapacityInfo {
-    // A copied |id| of getAvailableCapacity function parameter |id|.
-    DOMString id;
-    // The available capacity of the storage device, in bytes.
-    double availableCapacity;
-  };
-
-  [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
-  };
-
-  callback EjectDeviceCallback = void (EjectDeviceResultCode result);
-
-  callback StorageInfoCallback = void (StorageUnitInfo[] info);
-
-  callback GetAvailableCapacityCallback = void (
-      StorageAvailableCapacityInfo info);
-
-  interface Functions {
-    // Get the storage information from the system. The argument passed to the
-    // callback is an array of StorageUnitInfo objects.
-    static void getInfo(StorageInfoCallback callback);
-
-    // Ejects a removable storage device.
-    static void ejectDevice(DOMString id, EjectDeviceCallback callback);
-
-    // Get the available capacity of a specified |id| storage device.
-    // The |id| is the transient device ID from StorageUnitInfo.
-    static void getAvailableCapacity(DOMString id,
-                                     GetAvailableCapacityCallback callback);
-  };
-
-  interface Events {
-    // 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);
-  };
-
-};