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

src/gpu/effects/GrYUVtoRGBEffect.cpp

Index: src/gpu/effects/GrYUVtoRGBEffect.cpp
diff --git a/src/gpu/effects/GrYUVtoRGBEffect.cpp b/src/gpu/effects/GrYUVtoRGBEffect.cpp
index 1e3810f6193266b35355b9320625c836987fe42e..866f4a66b5c9ca6b9f6d27d883191d806de4fe0e 100644
--- a/src/gpu/effects/GrYUVtoRGBEffect.cpp
+++ b/src/gpu/effects/GrYUVtoRGBEffect.cpp
@@ -16,7 +16,7 @@ namespace {
 
 class YUVtoRGBEffect : public GrEffect {
 public:
-    static GrEffectRef* Create(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vTexture) {
+    static GrEffect* Create(GrTexture* yTexture, GrTexture* uTexture, GrTexture* vTexture) {
         AutoEffectUnref effect(SkNEW_ARGS(YUVtoRGBEffect, (yTexture, uTexture, vTexture)));
         return CreateEffectRef(effect);
     }