bluetooth: Use WebBluetoothDeviceId instead of string

content/renderer/bluetooth/web_bluetooth_impl.h

Index: content/renderer/bluetooth/web_bluetooth_impl.h
diff --git a/content/renderer/bluetooth/web_bluetooth_impl.h b/content/renderer/bluetooth/web_bluetooth_impl.h
index 1f1fd9529f84e0722dda61024e3930a564d77863..40e647328bc3f57a190c755897288077842be77c 100644
--- a/content/renderer/bluetooth/web_bluetooth_impl.h
+++ b/content/renderer/bluetooth/web_bluetooth_impl.h
@@ -82,7 +82,7 @@ class CONTENT_EXPORT WebBluetoothImpl
   void RemoteCharacteristicValueChanged(
       const mojo::String& characteristic_instance_id,
       mojo::Array<uint8_t> value) override;
-  void GattServerDisconnected(const mojo::String& device_id) override;
+  void GattServerDisconnected(const BluetoothDeviceId& device_id) override;
 
   // Callbacks for WebBluetoothService calls:
   void OnRequestDeviceComplete(
@@ -136,7 +136,7 @@ class CONTENT_EXPORT WebBluetoothImpl
   // Map of device_ids to WebBluetoothDevices. Added in connect() and removed in
   // disconnect(). This means a device may not actually be connected while in
   // this map, but that it will definitely be removed when the page navigates.
-  std::unordered_map<std::string, blink::WebBluetoothDevice*>
+  std::unordered_map<BluetoothDeviceId, blink::WebBluetoothDevice*>
       connected_devices_;
 
   // Binding associated with |web_bluetooth_service_|.