Regressed in r64973, otherwise we don't treat empty preferences properly.
Created attachment 63890 [details] [PATCH] Proposed fix.
Committing to http://svn.webkit.org/repository/webkit/trunk ... M LayoutTests/ChangeLog M LayoutTests/platform/chromium/test_expectations.txt M WebCore/ChangeLog M WebCore/inspector/front-end/inspector.js Committed r64978