DevTools: Support Blackbox/Disabled options in framework blackboxing UI dialog.

BUG=267592
R=vsevik

Review URL: https://codereview.chromium.org/413213003

git-svn-id: svn://svn.chromium.org/blink/trunk@179035 bbb929c8-8fbe-4397-9dbb-9b2b20218538