Do not show Vista elevation shield if UAC is disabled.
Do not show Vista elevation shield if UAC is disabled.

BUG=42571
TEST=disable UAC and run Chrome as first run, with import. check "make chrome your default browser" box. see no shield.

Review URL: http://codereview.chromium.org/1732013

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@46142 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