Extend snapshot creation to generate 4-byte values
Extend snapshot creation to generate 4-byte values

R=rmcilroy@chromium.org, yangguo@chromium.org

Review URL: https://codereview.chromium.org/623993002

Patch from Andre Baixo <baixo@google.com>.

git-svn-id: f98b9d40cb02301bc76fa9e1b46ee668158567fd@24401 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

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