SVG W3C rebaselines

New image and text rebaselines for SVG W3C tests, mostyl mac text
changes due to the changes in r163145.

TBR=leviw@chromium.org
BUG=

Review URL: https://codereview.chromium.org/109823002

git-svn-id: svn://svn.chromium.org/blink/trunk@163386 bbb929c8-8fbe-4397-9dbb-9b2b20218538