1 files changed, 2 insertions, 1 deletions
diff --git a/chromium/third_party/blink/renderer/modules/serial/serial_port.idl b/chromium/third_party/blink/renderer/modules/serial/serial_port.idl
index 04978e4d67c..7181642e7f0 100644
--- a/chromium/third_party/blink/renderer/modules/serial/serial_port.idl
+++ b/chromium/third_party/blink/renderer/modules/serial/serial_port.idl
@@ -14,12 +14,13 @@
     [CallWith=ScriptState, RaisesException]
     readonly attribute WritableStream writable;
 
+    [MeasureAs=SerialPortGetInfo] SerialPortInfo getInfo();
     [CallWith=ScriptState, RaisesException, MeasureAs=SerialPortOpen]
     Promise<void> open(SerialOptions options);
     [CallWith=ScriptState, RaisesException]
     Promise<SerialInputSignals> getSignals();
     [CallWith=ScriptState, RaisesException]
-    Promise<void> setSignals(SerialOutputSignals signals);
+    Promise<void> setSignals(optional SerialOutputSignals signals = {});
     [RaisesException, CallWith=ScriptState, MeasureAs=SerialPortClose]
     Promise<void> close();
 };