Add GetConnectionInfo function for BluetoothDevice, replacing the existing

extensions/common/api/bluetooth.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.bluetooth</code> API to connect to a Bluetooth
 // device. All functions report failures via chrome.runtime.lastError.
 namespace bluetooth {
   // Allocation authorities for Vendor IDs.
   enum VendorIdSource {bluetooth, usb};
 
@@ skipping 47 matching lines @@
     // possible device types. When in doubt you should use the |deviceClass|
     // field directly.
     DeviceType? type;
 
     // Indicates whether or not the device is paired with the system.
     boolean? paired;
 
     // Indicates whether the device is currently connected to the system.
     boolean? connected;
 
-    // Indicates the RSSI ("received signal strength indication") of the
-    // connection to the device, measured in dBm, to a resolution of 1dBm.
-    // If the device is currently connected, then measures the RSSI of the
-    // connection signal. Otherwise, measures the RSSI of the last inquiry sent
-    // to the device, where available. Absent if unavailable.
-    [nodoc] long? rssi;
-
-    // Indicates the host's current transmit power ("Tx power") for the
-    // connection to the device, measured in dBm, to a resolution of 1dBm.
-    // This value is only available if the device is currently connected.
-    [nodoc] long? currentHostTransmitPower;
-
-    // Indicates the host's maximum transmit power ("Tx power") for the
-    // connection to the device, measured in dBm, to a resolution of 1dBm.
-    // This value is only available if the device is currently connected.
-    [nodoc] long? maximumHostTransmitPower;
-
     // UUIDs of protocols, profiles and services advertised by the device.
     // For classic Bluetooth devices, this list is obtained from EIR data and
     // SDP tables. For Low Energy devices, this list is obtained from AD and
     // GATT primary services. For dual mode devices this may be obtained from
     // both.
     DOMString[]? uuids;
   };
 
   // Callback from the <code>getDevice</code> method.
   // |deviceInfo| : Object containing the device information.
@@ skipping 52 matching lines @@
 
     // Fired when information about a known Bluetooth device has changed.
     static void onDeviceChanged(Device device);
 
     // Fired when a Bluetooth device that was previously discovered has been
     // out of range for long enough to be considered unavailable again, and
     // when a paired device is removed.
     static void onDeviceRemoved(Device device);
   };
 };