Bluetooth: Send UI notifications when the connecting status changes.

device/bluetooth/bluetooth_adapter_chromeos.cc

Index: device/bluetooth/bluetooth_adapter_chromeos.cc
diff --git a/device/bluetooth/bluetooth_adapter_chromeos.cc b/device/bluetooth/bluetooth_adapter_chromeos.cc
index a0b2681bf105aabdc2982f6b0f27ada53a11f169..9969caebb8777fa4d25ea0b6ac05f005ff52d91b 100644
--- a/device/bluetooth/bluetooth_adapter_chromeos.cc
+++ b/device/bluetooth/bluetooth_adapter_chromeos.cc
@@ -234,6 +234,14 @@ void BluetoothAdapterChromeOS::PoweredChanged(bool powered) {
                     AdapterPoweredChanged(this, powered_));
 }
 
+void BluetoothAdapterChromeOS::NotifyDeviceChanged(
+    BluetoothDeviceChromeOS* device) {
+  CHECK(device->adapter_ == this);
+
+  FOR_EACH_OBSERVER(BluetoothAdapter::Observer, observers_,
+                    DeviceChanged(this, device));
+}
+
 void BluetoothAdapterChromeOS::OnStartDiscovery(
     const base::Closure& callback,
     const ErrorCallback& error_callback,