Valgrind: Suppress a CrOS memory leak in FilebrowseHandler::Init.
Valgrind: Suppress a CrOS memory leak in FilebrowseHandler::Init.

BUG=43914
TEST=Valgrind CrOS goes green.
TBR=dhg
Review URL: http://codereview.chromium.org/2017011

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@46962 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser,wistoch/meego-app-browser