Hook up RSSI and host transmit power Bluetooth device properties for ChromeOS.

device/bluetooth/bluetooth_device_chromeos.h

Index: device/bluetooth/bluetooth_device_chromeos.h
diff --git a/device/bluetooth/bluetooth_device_chromeos.h b/device/bluetooth/bluetooth_device_chromeos.h
index 41327899e4545975e962c974cdb462c125e4b00f..6608b13e09ca32a50566a047f18c384dc1050164 100644
--- a/device/bluetooth/bluetooth_device_chromeos.h
+++ b/device/bluetooth/bluetooth_device_chromeos.h
@@ -146,6 +146,14 @@ class BluetoothDeviceChromeOS
   void SetTrusted();
   void OnSetTrusted(bool success);
 
+  // Internal method to enable the connection monitor when connecting to this
+  // device. The connection monitor mode tracks the connection RSSI and TX
+  // power of the connection.
+  void StartConnectionMonitor();
+  void OnStartConnectionMonitor();
+  void OnStartConnectionMonitorError(const std::string& error_name,
+                                     const std::string& error_message);
+
   // Called by dbus:: on completion of the D-Bus method call to disconnect the
   // device.
   void OnDisconnect(const base::Closure& callback);
@@ -185,6 +193,10 @@ class BluetoothDeviceChromeOS
   // Number of ongoing calls to Connect().
   int num_connecting_calls_;
 
+  // True if the connection monitor has been started, tracking the connection
+  // RSSI and TX power.
+  bool connection_monitor_started_;
+
   // UI thread task runner and socket thread object used to create sockets.
   scoped_refptr<base::SequencedTaskRunner> ui_task_runner_;
   scoped_refptr<device::BluetoothSocketThread> socket_thread_;