Sadly, Chrome has started not closing properly on me. It starts with tabs not closing unless I close them twice. Then if I quit Chrome, the window disappears bu

Sadly, Chrome has started not closing properly on me. It starts with tabs not closing unless I close them twice. Then if I quit Chrome, the window disappears but the process is still running and I have to force quit. Most up-to-date 9.0.597.102 build on OS X. Sigh.