Remove GrEffect::CreateEffectRef and GrEffect::AutoEffectRef.

src/effects/SkMatrixConvolutionImageFilter.cpp

Index: src/effects/SkMatrixConvolutionImageFilter.cpp
diff --git a/src/effects/SkMatrixConvolutionImageFilter.cpp b/src/effects/SkMatrixConvolutionImageFilter.cpp
index ca2cfcaab7890a5a74b79fa75a1fe1041898b076..2740edc3eff0bff1a0f57d9659ea6e78f466c1a2 100644
--- a/src/effects/SkMatrixConvolutionImageFilter.cpp
+++ b/src/effects/SkMatrixConvolutionImageFilter.cpp
@@ -339,16 +339,15 @@ public:
                                const SkIPoint& kernelOffset,
                                TileMode tileMode,
                                bool convolveAlpha) {
-        AutoEffectUnref effect(SkNEW_ARGS(GrMatrixConvolutionEffect, (texture,
-                                                                      bounds,
-                                                                      kernelSize,
-                                                                      kernel,
-                                                                      gain,
-                                                                      bias,
-                                                                      kernelOffset,
-                                                                      tileMode,
-                                                                      convolveAlpha)));
-        return CreateEffectRef(effect);
+        return SkNEW_ARGS(GrMatrixConvolutionEffect, (texture,
+                                                      bounds,
+                                                      kernelSize,
+                                                      kernel,
+                                                      gain,
+                                                      bias,
+                                                      kernelOffset,
+                                                      tileMode,
+                                                      convolveAlpha));
     }
     virtual ~GrMatrixConvolutionEffect();