Analytic rrect clip for cicular corners, radius >= 0.5

BUG=skia:2181
R=robertphillips@google.com, jvanverth@google.com

Author: bsalomon@google.com

Review URL: https://codereview.chromium.org/171413004

git-svn-id: http://skia.googlecode.com/svn/trunk@13498 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/gpu/GrTBackendEffectFactory.h b/include/gpu/GrTBackendEffectFactory.h
index 3711c7e..fd14b4f 100644
--- a/include/gpu/GrTBackendEffectFactory.h
+++ b/include/gpu/GrTBackendEffectFactory.h
@@ -64,7 +64,7 @@
     /** Returns a new instance of the appropriate *GL* implementation class
         for the given GrEffect; caller is responsible for deleting
         the object. */
-    virtual GLEffect* createGLInstance(const GrDrawEffect& drawEffect) const SK_OVERRIDE {
+    virtual GrGLEffect* createGLInstance(const GrDrawEffect& drawEffect) const SK_OVERRIDE {
         return SkNEW_ARGS(GLEffect, (*this, drawEffect));
     }