https://source.chromium.org/chromium/chromium/src/+/master:ui/base/emoji/emoji_panel_helper_win.cc;l...
// This sends Windows Key + '.' (both keydown and keyup events).
// "SendInput" is used because Windows needs to receive these events and
// open the Emoji picker.
// TODO(crbug.com/827404): Move to a specialized Windows API once it is
// available.
this doesn't look good, especially in a Microsoft browser on Microsoft's own platform.
