Handle change of BLE address after pairing

device/bluetooth/test/test_bluetooth_adapter_observer.cc

Index: device/bluetooth/test/test_bluetooth_adapter_observer.cc
diff --git a/device/bluetooth/test/test_bluetooth_adapter_observer.cc b/device/bluetooth/test/test_bluetooth_adapter_observer.cc
index e03ae6ca1ae5c66676516fdbabe2cdbb087e0f37..74903a0cb9b698fd5a47ddc922e60bc4ff2d47e1 100644
--- a/device/bluetooth/test/test_bluetooth_adapter_observer.cc
+++ b/device/bluetooth/test/test_bluetooth_adapter_observer.cc
@@ -33,6 +33,7 @@ void TestBluetoothAdapterObserver::Reset() {
   last_discovering_ = false;
   device_added_count_ = 0;
   device_changed_count_ = 0;
+  device_address_changed_count_ = 0;
   device_removed_count_ = 0;
   last_device_ = NULL;
   last_device_address_.clear();
@@ -113,6 +114,17 @@ void TestBluetoothAdapterObserver::DeviceChanged(BluetoothAdapter* adapter,
   QuitMessageLoop();
 }
 
+void TestBluetoothAdapterObserver::DeviceAddressChanged(
+    device::BluetoothAdapter* adapter,
+    device::BluetoothDevice* device,
+    const std::string& old_address) {
+  ++device_address_changed_count_;
+  last_device_ = device;
+  last_device_address_ = device->GetAddress();
+
+  QuitMessageLoop();
+}
+
 void TestBluetoothAdapterObserver::DeviceRemoved(BluetoothAdapter* adapter,
                                                  BluetoothDevice* device) {
   EXPECT_EQ(adapter_.get(), adapter);