Remove CRs from inner-svg-change-viewBox-contract

This is a commit to make https://codereview.chromium.org/205263004/
apply cleanly.

TBR=jamesr@chromium.org
BUG=345027

Review URL: https://codereview.chromium.org/215353003

git-svn-id: svn://svn.chromium.org/blink/trunk@170208 bbb929c8-8fbe-4397-9dbb-9b2b20218538