Expose TxPower for bluetooth devices during discovery

chromeos/dbus/bluetooth_device_client.h

 // 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.
 
 #ifndef CHROMEOS_DBUS_BLUETOOTH_DEVICE_CLIENT_H_
 #define CHROMEOS_DBUS_BLUETOOTH_DEVICE_CLIENT_H_
 
 #include <string>
 #include <vector>
 
@@ skipping 30 matching lines @@
     // The GAP external appearance of the device. Read-only.
     dbus::Property<uint16> appearance;
 
     // Unique numeric identifier for the vendor of the device. Read-only.
     dbus::Property<uint16> vendor;
 
     // List of 128-bit UUIDs that represent the available remote services.
     // Read-only.
     dbus::Property<std::vector<std::string> > uuids;
 
+    // Transmitted power level. This field is avaliable only for LE devices
+    // that include this field in AD. Read-only.
+    dbus::Property<int16> tx_power;
+
     // Indicates that the device is currently paired. Read-only.
     dbus::Property<bool> paired;
 
     // Indicates that the device is currently connected. Read-only.
     dbus::Property<bool> connected;
 
     // Whether the device is trusted, and connections should be always
     // accepted and attempted when the device is visible.
     dbus::Property<bool> trusted;
 
@@ skipping 132 matching lines @@
  protected:
   BluetoothDeviceClient();
 
  private:
   DISALLOW_COPY_AND_ASSIGN(BluetoothDeviceClient);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROMEOS_DBUS_BLUETOOTH_DEVICE_CLIENT_H_