net: don't assume that we have an SSLHostInfo.
net: don't assume that we have an SSLHostInfo.

sync doesn't run an HttpCache and therefore sync's requests don't pickup
an SSLHostInfo.

BUG=69522
TEST=don't crash on startup

http://codereview.chromium.org/6355003/

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@71444 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