DevTools: Hide inspected element info tooltip on Ctrl/Cmd in Inspect mode

R=pfeldman
BUG=282493

Review URL: https://codereview.chromium.org/231023003

git-svn-id: svn://svn.chromium.org/blink/trunk@171866 bbb929c8-8fbe-4397-9dbb-9b2b20218538