file_util: don't compile any of the deprecated functions on non-Windows
file_util: don't compile any of the deprecated functions on non-Windows

We've removed usage of these functions on non-Windows platforms.

Review URL: http://codereview.chromium.org/3762002

git-svn-id: http://src.chromium.org/svn/trunk/src@62470 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 714058d920f027aad71aecd77d3d633fafc64abe
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser