Revert of https://codereview.chromium.org/105883012/
Reason for revert: Broken twitter.  Reverting is easy, so doing that first, can land a more surgical fix.

TBR=jochen@chromium.org,philipj@opera.com
BUG=325922

Review URL: https://codereview.chromium.org/120373003

git-svn-id: svn://svn.chromium.org/blink/trunk@164266 bbb929c8-8fbe-4397-9dbb-9b2b20218538