chromium/ui/file_manager/file_manager/foreground/images/files/ui/cant_pin.svg

<svg id="cant_pin" xmlns="http://www.w3.org/2000/svg" xml:space="preserve" style="enable-background:new 0 0 16 16" viewBox="0 0 16 16">
  <path d="M2 6.2h12v3.6H2z" style="fill: var(--xf-icon-color-outline, transparent);"/>
  <path d="M3 7.2h10v1.6H3z" style="fill: var(--xf-icon-color);"/>
</svg>