Depending on CSS injection order sidebar rule that overwrites "bottom" property may win. Original issue: A gap is displayed while scrolling the Records in Dev tools > TimeLine panel https://code.google.com/p/chromium/issues/detail?id=222683
Created attachment 194805 [details] Patch
Comment on attachment 194805 [details] Patch LGTM
Comment on attachment 194805 [details] Patch Clearing flags on attachment: 194805 Committed r146849: <http://trac.webkit.org/changeset/146849>
All reviewed patches have been landed. Closing bug.