Allow the resource cache to (indirectly) flush the InOrderDrawBuffer

R=bsalomon@google.com

Author: robertphillips@google.com

Review URL: https://chromiumcodereview.appspot.com/18466005

git-svn-id: http://skia.googlecode.com/svn/trunk/include@9949 2bbb7eff-a529-9590-31e7-b0007b416f81
1 file changed