Expose device RSSI and Tx power via the chrome.bluetooth API.

device/bluetooth/bluetooth_device_win.cc

Index: device/bluetooth/bluetooth_device_win.cc
diff --git a/device/bluetooth/bluetooth_device_win.cc b/device/bluetooth/bluetooth_device_win.cc
index 81a9386ec3db946977a0b4f157c48a388aacdeff..53995ff36ca3be37450d55a5105a48f45cd741e6 100644
--- a/device/bluetooth/bluetooth_device_win.cc
+++ b/device/bluetooth/bluetooth_device_win.cc
@@ -111,6 +111,21 @@ uint16 BluetoothDeviceWin::GetDeviceID() const {
   return 0;
 }
 
+int BluetoothDeviceWin::GetRSSI() const {
+  NOTIMPLEMENTED();
+  return kUnknownPower;
+}
+
+int BluetoothDeviceWin::GetCurrentHostTransmitPower() const {
+  NOTIMPLEMENTED();
+  return kUnknownPower;
+}
+
+int BluetoothDeviceWin::GetMaximumHostTransmitPower() const {
+  NOTIMPLEMENTED();
+  return kUnknownPower;
+}
+
 bool BluetoothDeviceWin::IsPaired() const {
   return paired_;
 }