Allow GrGLInterface factories in Chromium to continue to compile.

BUG=skia:2042
TBR=jvanverth@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/136573003

git-svn-id: http://skia.googlecode.com/svn/trunk@13112 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed