Adding new 'extend' mode to SkPath::addPath

BUG=261727
R=reed@google.com, caryclark@google.com, schenney@chromium.org, robertphillips@google.com

Author: junov@chromium.org

Review URL: https://codereview.chromium.org/151353006

git-svn-id: http://skia.googlecode.com/svn/trunk@13415 2bbb7eff-a529-9590-31e7-b0007b416f81
3 files changed