Run style checks also when uploading.
Run style checks also when uploading.

The right moment for fixing style errors is when working on the CL, not when
committing it. And this makes non-committers bump into this check too when
uploading changes.

BUG=none

Review URL: https://codereview.chromium.org/14070005
Patch from Marja Hölttä <marja@chromium.org>.

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@14231 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

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