Fix some outdated comments.
Fix some outdated comments.

The URLFetcher::SetFactory method was renamed to URLFetcher::set_factory
at some point. I'm just fixing the comments here.

Review URL: http://codereview.chromium.org/113681

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@16756 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