work in progress

content/public/browser/bluetooth_chooser.h

Index: content/public/browser/bluetooth_chooser.h
diff --git a/content/public/browser/bluetooth_chooser.h b/content/public/browser/bluetooth_chooser.h
index c250943fbe87edade405b5f9d254054862391090..a0b8dbbcceb77eac198ebcc6bf7017c49cc636cc 100644
--- a/content/public/browser/bluetooth_chooser.h
+++ b/content/public/browser/bluetooth_chooser.h
@@ -34,6 +34,9 @@ class CONTENT_EXPORT BluetoothChooser {
     // scan for Bluetooth devices. Only used on Android.
     SHOW_NEED_LOCATION_HELP,
 
+    // Adapter discovering changed
+    ADAPTER_DISCOVERING_CHANGED,
+
     // As the dialog implementations grow more user-visible buttons and knobs,
     // we'll add enumerators here to support them.
   };