When maximum space size flags are set, overwrite the resource constraints.
When maximum space size flags are set, overwrite the resource constraints.

BUG=
R=rmcilroy@chromium.org

Review URL: https://codereview.chromium.org/262653002

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@21102 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

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