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

src/gpu/effects/GrYUVtoRGBEffect.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "GrYUVtoRGBEffect.h"
 
 #include "GrCoordTransform.h"
 #include "GrEffect.h"
 #include "gl/GrGLEffect.h"
 #include "GrTBackendEffectFactory.h"
 
 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);
     }
 
     static const char* Name() { return "YUV to RGB"; }
 
     virtual const GrBackendEffectFactory& getFactory() const SK_OVERRIDE {
         return GrTBackendEffectFactory<YUVtoRGBEffect>::getInstance();
     }
 
@@ skipping 69 matching lines @@
 
 }
 
 //////////////////////////////////////////////////////////////////////////////
 
 GrEffectRef* GrYUVtoRGBEffect::Create(GrTexture* yTexture,
                                       GrTexture* uTexture,
                                       GrTexture* vTexture) {
     return YUVtoRGBEffect::Create(yTexture, uTexture, vTexture);
 }