Fix Win64 compilation failure introduced by r10483.
Fix Win64 compilation failure introduced by r10483.

R=erik.corry@gmail.com

Review URL: https://chromiumcodereview.appspot.com/9284017

git-svn-id: b158db1e4b4ab85d4c9e510fdef4b1e8c614b15b@10485 ce2b1a6d-e550-0410-aec6-3dcde31c8c00

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