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

src/effects/SkPerlinNoiseShader.cpp

Index: src/effects/SkPerlinNoiseShader.cpp
diff --git a/src/effects/SkPerlinNoiseShader.cpp b/src/effects/SkPerlinNoiseShader.cpp
index 7f0127ea5a4c5c382390a0259ad0070644211028..49fe48c6c1f0959b1ead80786479284b9b58f487 100644
--- a/src/effects/SkPerlinNoiseShader.cpp
+++ b/src/effects/SkPerlinNoiseShader.cpp
@@ -946,7 +946,7 @@ void GrGLPerlinNoise::setData(const GrGLUniformManager& uman, const GrDrawEffect
 
 bool SkPerlinNoiseShader::asNewEffect(GrContext* context, const SkPaint& paint,
                                       const SkMatrix* externalLocalMatrix, GrColor* grColor,
-                                      GrEffectRef** grEffect) const {
+                                      GrEffect** grEffect) const {
     SkASSERT(NULL != context);
     
     *grColor = SkColor2GrColorJustAlpha(paint.getColor());