SkGrPixelRef can only reference the subset of the Surface specified by its SkImageInfo

BUG=skia:
R=bsalomon@google.com, halcanary@google.com

Author: reed@google.com

Review URL: https://codereview.chromium.org/138143022

git-svn-id: http://skia.googlecode.com/svn/trunk@13217 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed