Changes

'''BluetoothAdapterEvent''' is carried as the parameter of [https://wiki.mozilla.org/[B2G/Bluetooth/WebBluetooth-v2/BluetoothManager#onadapteradded |manager.onadapteradded]] and [https://wiki.mozilla.org/[B2G/Bluetooth/WebBluetooth-v2/BluetoothManager#onadapterremoved |manager.onadapterremoved]] event handlers. Applications can know whether the added/removed adapter is default adapter, and get the added [https://wiki.mozilla.org/[B2G/Bluetooth/WebBluetooth-v2/BluetoothAdapter |BluetoothAdapter]] object or the address of removed adapter.

readonly attribute boolean [https://wiki.mozilla.org/[B2G/Bluetooth/WebBluetooth-v2/BluetoothAdapterEvent#isDefault |isDefault]]; readonly attribute BluetoothAdapter? [https://wiki.mozilla.org/[B2G/Bluetooth/WebBluetooth-v2/BluetoothAdapterEvent#adapter |adapter]]; readonly attribute DOMString? [https://wiki.mozilla.org/[B2G/Bluetooth/WebBluetooth-v2/BluetoothAdapterEvent#address |address]];

* [https://wiki.mozilla.org/[B2G/Bluetooth/WebBluetooth-v2/BluetoothAdapterEvent#isDefault |BluetoothAdapterEvent.isDefault]]* [https://wiki.mozilla.org/[B2G/Bluetooth/WebBluetooth-v2/BluetoothAdapterEvent#adapter |BluetoothAdapterEvent.adapter]]* [https://wiki.mozilla.org/[B2G/Bluetooth/WebBluetooth-v2/BluetoothAdapterEvent#address |BluetoothAdapterEvent.address]]

: [https://wiki.mozilla.org/[B2G/Bluetooth/WebBluetooth-v2/BluetoothAdapter |BluetoothAdapter]]