Add const to two methods. Review URL: http://codereview.chromium.org/2867009
Add const to two methods.
Review URL: http://codereview.chromium.org/2867009

git-svn-id: http://src.chromium.org/svn/trunk/src@50111 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: a87a1215fcc64b4a6c811722fd18e0e1d93f33ab
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