Fixes a bug where we were inadvertently closing Valgrind-owned FDs when running under Valgrind.
Fixes a bug where we were inadvertently closing Valgrind-owned FDs
when running under Valgrind.

TEST=None
http://crbug.com/11412

Review URL: http://codereview.chromium.org/108042

git-svn-id: http://src.chromium.org/svn/trunk/src@15414 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 35e2fad992c30424849e066cf271c389b5997e71
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