Remove incorrect FINAL attribute from MajorKey declarations.

TBR=mvstanton@chromium.org

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

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23656 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Remove usages of alloca() according to style guide.

R=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/535133002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23657 ce2b1a6d-e550-0410-aec6-3dcde31c8c00