Bluetooth: Add support for pairing display notifications

device/bluetooth/bluetooth_device_experimental_chromeos.cc

Index: device/bluetooth/bluetooth_device_experimental_chromeos.cc
diff --git a/device/bluetooth/bluetooth_device_experimental_chromeos.cc b/device/bluetooth/bluetooth_device_experimental_chromeos.cc
index fb36c8450c43312e928c254f5a19fdd1135a32ea..f45e7d43c8c4bc6a99a6a734eebf4444752c9b3c 100644
--- a/device/bluetooth/bluetooth_device_experimental_chromeos.cc
+++ b/device/bluetooth/bluetooth_device_experimental_chromeos.cc
@@ -327,12 +327,10 @@ void BluetoothDeviceExperimentalChromeOS::DisplayPasskey(
   VLOG(1) << object_path_.value() << ": DisplayPasskey: " << passkey
           << " (" << entered << " entered)";
 
-  // TODO(keybuk): disambiguate entered vs display
-  if (entered > 0)
-    return;
-
   DCHECK(pairing_delegate_);
-  pairing_delegate_->DisplayPasskey(this, passkey);
+  if (entered == 0)
+    pairing_delegate_->DisplayPasskey(this, passkey);
+  pairing_delegate_->KeysEntered(this, entered);
 }
 
 void BluetoothDeviceExperimentalChromeOS::RequestConfirmation(