Make timeout configurable in performance test runner.

BUG=374740
LOG=n
TBR=bmeurer@chromium.org

Review URL: https://codereview.chromium.org/569213002

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23945 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
[Auto-roll] Bump up version to 3.29.65.0

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23946 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Explicitly mask enum values to work around probable VS/Win64 compiler bug

TBR=svenpanne@chromium.org
BUG=

Review URL: https://codereview.chromium.org/564413003

git-svn-id: https://v8.googlecode.com/svn/branches/bleeding_edge@23947 ce2b1a6d-e550-0410-aec6-3dcde31c8c00