Created attachment 49025 [details] Bug I don't know how to reproduce this yet, but it has happened twice now. See screenshot.
Created attachment 49030 [details] [PATCH] Proposed fix. Drive-by fix for Object's __proto__.
Comment on attachment 49030 [details] [PATCH] Proposed fix. You should split these into two commits.
Committing to http://svn.webkit.org/repository/webkit/trunk ... M WebCore/ChangeLog M WebCore/inspector/front-end/InjectedScript.js M WebCore/inspector/front-end/Popover.js M WebCore/inspector/front-end/SourceFrame.js Committed r54974