Add GMs for gpu Bezier shaders

BUG=
R=bsalomon@google.com, jvanverth@google.com, robertphillips@google.com

Author: egdaniel@google.com

Review URL: https://chromiumcodereview.appspot.com/23361024

git-svn-id: http://skia.googlecode.com/svn/trunk@10892 2bbb7eff-a529-9590-31e7-b0007b416f81
2 files changed