Fix the keyboard overlay to show "take screenshot" on the correct key.
Fix the keyboard overlay to show "take screenshot" on the correct key.

BUG=chromium-os:13224
TEST=manually on the netbook

Review URL: http://codereview.chromium.org/6691028

git-svn-id: http://src.chromium.org/svn/trunk/src@80399 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

Former-commit-id: ede7a87930b763bfa4dfa4649150d17cce1c4cc9
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