Revert of Make GrDrawState and GrPaint take GrEffect* instead of GrEffectRef*.

src/gpu/effects/GrRRectEffect.h

Index: src/gpu/effects/GrRRectEffect.h
diff --git a/src/gpu/effects/GrRRectEffect.h b/src/gpu/effects/GrRRectEffect.h
index bcf4884ddd97de6f9fb527d50ab0ea2be01299cc..45ac5f43cfbd0b641c7c62dbf6369462126a1a9b 100644
--- a/src/gpu/effects/GrRRectEffect.h
+++ b/src/gpu/effects/GrRRectEffect.h
@@ -11,7 +11,7 @@
 #include "GrTypes.h"
 #include "GrTypesPriv.h"
 
-class GrEffect;
+class GrEffectRef;
 class SkRRect;
 
 namespace GrRRectEffect {
@@ -19,7 +19,7 @@
      * Creates an effect that performs anti-aliased clipping against a SkRRect. It doesn't support
      * all varieties of SkRRect so the caller must check for a NULL return.
      */
-    GrEffect* Create(GrEffectEdgeType, const SkRRect&);
+    GrEffectRef* Create(GrEffectEdgeType, const SkRRect&);
 };
 
 #endif