Remove incorrect FINAL attribute from MajorKey declarations.
Remove incorrect FINAL attribute from MajorKey declarations.

TBR=mvstanton@chromium.org

Review URL: https://codereview.chromium.org/535113003

git-svn-id: f98b9d40cb02301bc76fa9e1b46ee668158567fd@23656 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh,UniversalFuture/moosh