Refactor deprecated Skia calls.

Use equivalent non-deprecated methods instead.

R=reed@google.com,senorblanco@chromium.org,abarth@chromium.org

Review URL: https://codereview.chromium.org/269283008

git-svn-id: svn://svn.chromium.org/blink/trunk@173553 bbb929c8-8fbe-4397-9dbb-9b2b20218538