Fix a case where we try to get the homepage as a boolean value, when it should be a string.  Since we tried to get the pref as the wrong type, we never set the value homepage_defined so it's always false.
Fix a case where we try to get the homepage as a boolean value, when
it should be a string.  Since we tried to get the pref as the wrong
type, we never set the value homepage_defined so it's always false.

Review URL: http://codereview.chromium.org/491008

git-svn-id: http://src.chromium.org/svn/trunk/src@34270 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 17c68255aa215e608f1c90f198440014d78e342f
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