Fix the webkit.org build of chromium.
Fix the webkit.org build of chromium.

http://build.chromium.org/buildbot/waterfall.fyi/waterfall?builder=Webkit%20%28webkit.org%29

This is the same code that was there upstream before these methods
became pure virtual.

TBR=dglazkov


git-svn-id: http://src.chromium.org/svn/trunk/src@16492 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: 5aeaa89317b9a428b517eff27343a9e21fb27451
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