Fix broken separator sizing and positioning.
Fix broken separator sizing and positioning.

http://crbug.com/13273
TEST=open page info window for secure sites, see separators are correctly 2px tall.

Review URL: http://codereview.chromium.org/118197

git-svn-id: dd90618784b6a4b323ea0c23a071cb1c9e6f2ac7@17564 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