Suppress FileSystemOperation leak
Suppress FileSystemOperation leak

TBR=dumi

BUG=56676
TEST=Green WebKit valgrind bots

Review URL: http://codereview.chromium.org/3467012

git-svn-id: http://src.chromium.org/svn/trunk/src@60311 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 22ac297f53533b3c847373559cacdaf0ee674e45
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