Rebaseline 3d-point-mapping-3

Unreviewed gardening.

NOTRY=true
TBR=atwilson@chromium.org
BUG=none

Review URL: https://codereview.chromium.org/26040002

git-svn-id: svn://svn.chromium.org/blink/trunk@158961 bbb929c8-8fbe-4397-9dbb-9b2b20218538