Manual rebaseline for Chromium r294250

WebTouchEvents passed to plugins no longer use the changedTouches or
targetTouches properties, rebaseline appropriately.

TBR=loislo@chromium.org,jianli@chromium.org
BUG=413098

Review URL: https://codereview.chromium.org/563643003

git-svn-id: svn://svn.chromium.org/blink/trunk@181828 bbb929c8-8fbe-4397-9dbb-9b2b20218538