Add about: and chrome:* to history.  Patch by Pierre-Antoine LaFayette (see http://codereview.chromium.org/193071 ), r=me,brettw.
Add about: and chrome:* to history.  Patch by Pierre-Antoine LaFayette (see http://codereview.chromium.org/193071 ), r=me,brettw.

BUG=2958
TEST=Visit "about:", then hit ctrl-h and make sure it's in your history.

git-svn-id: http://src.chromium.org/svn/trunk/src@27131 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 343c8f4c9d3c95b3664c910070fb94b87678ea71
meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser,meego-tablet-ux/meego-app-browser