Remove more CRs from scrolling-embedded-svg-file-image-repaint-problem

This is a follow-up to r170203 to remove even more carriage returns.

TBR=jamesr@chromium.org
BUG=345027

Review URL: https://codereview.chromium.org/215403002

git-svn-id: svn://svn.chromium.org/blink/trunk@170205 bbb929c8-8fbe-4397-9dbb-9b2b20218538