Change some function/vars from EffectPtr to EffectRef to reflect GrEffectPtr->GrEffectRef renaming.



git-svn-id: http://skia.googlecode.com/svn/trunk@7226 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/src/effects/SkMatrixConvolutionImageFilter.cpp b/src/effects/SkMatrixConvolutionImageFilter.cpp
index 690cdd8..03b10be 100644
--- a/src/effects/SkMatrixConvolutionImageFilter.cpp
+++ b/src/effects/SkMatrixConvolutionImageFilter.cpp
@@ -263,7 +263,7 @@
                                                                              target,
                                                                              tileMode,
                                                                              convolveAlpha)));
-        return CreateEffectPtr(effect);
+        return CreateEffectRef(effect);
     }
     virtual ~GrMatrixConvolutionEffect();