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

chrome/common/extensions/api/system_info_storage.idl

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.

[Greg Billock, 2013/07/16 17:54:40]

Can you rework this according to bug 252994 now? I think we can keep it all in
one file, and just adjust the permissions to keep the available capacity watch
API in dev.

 // 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 {
+// Use the <code>chrome.systemInfo.storage</code> API to query
+// storage device information and be notified when a removable storage device is
+// attached and detached.
+namespace 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;
-    // The available amount of the storage space, in bytes.
-    // Default value is 0 if query operation fails.
-    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
   };
 
-  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 EjectDeviceCallback = void (EjectDeviceResultCode result);
 
   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);
   };
 
 };