Add valgrind suppressions which cover zlib inflate and deflate.
Add valgrind suppressions which cover zlib inflate and deflate.

BUG=none
TEST=none

Review URL: http://codereview.chromium.org/2077007

git-svn-id: http://src.chromium.org/svn/trunk/src@47535 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: b9b57a89052491dd4552d28c62c0e03db9698ee7
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