Change line endings of scrolling-embedded-svg-file-image-repaint-problem

This is a pre-commit for https://codereview.chromium.org/205263004/ to
change the line-endings this file in that patch so that the patch can be
applied cleanly in rietveld.

TBR=jamesr@chromium.org
BUG=345027

Review URL: https://codereview.chromium.org/215383002

git-svn-id: svn://svn.chromium.org/blink/trunk@170203 bbb929c8-8fbe-4397-9dbb-9b2b20218538