Update the pairing API to include configuration and enrollment.

components/pairing/bluetooth_host_pairing_controller.cc

Index: components/pairing/bluetooth_host_pairing_controller.cc
diff --git a/components/pairing/bluetooth_host_pairing_controller.cc b/components/pairing/bluetooth_host_pairing_controller.cc
index fc229a14c1a7def1448408212d50ed6b68ed57da..74f1a5e21dc0b26ae2224b6f1a9c5f5c23272bb3 100644
--- a/components/pairing/bluetooth_host_pairing_controller.cc
+++ b/components/pairing/bluetooth_host_pairing_controller.cc
@@ -329,6 +329,11 @@ std::string BluetoothHostPairingController::GetEnrollmentDomain() {
   return enrollment_domain_;
 }
 
+void BluetoothHostPairingController::OnUpdateStatusChanged(
+    UpdateStatus update_status) {
+  // TODO(zork): Handling updating stages (http://crbug.com/405754).
+}
+
 void BluetoothHostPairingController::RequestPinCode(
     device::BluetoothDevice* device) {
   // Disallow unknown device.