Fix a comment that refers to webkit/port.
Fix a comment that refers to webkit/port.

R=dglazkov
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/160587

git-svn-id: http://src.chromium.org/svn/trunk/src@22387 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: f30aa53d7bc609df5a51af892934adac7c6fb563
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