We turn off syntax highlighting for the files > 10K lines. Evaluate on hover relies upon highlighting and hence does not work.
Created attachment 127773 [details] Patch
Created attachment 127805 [details] [Patch] With fixed ChangeLog
Comment on attachment 127805 [details] [Patch] With fixed ChangeLog Clearing flags on attachment: 127805 Committed r108331: <http://trac.webkit.org/changeset/108331>
All reviewed patches have been landed. Closing bug.