Revert accidental commenting-out of download_util.cc parts.
Revert accidental commenting-out of download_util.cc parts.

This is a follow-up after http://codereview.chromium.org/3826014

TBR=sky

BUG=59365
TEST=see bug

Review URL: http://codereview.chromium.org/3880001

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@63078 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