Factory methods for heap-allocated SkImageFilter objects.

bench/MorphologyBench.cpp

Index: bench/MorphologyBench.cpp
diff --git a/bench/MorphologyBench.cpp b/bench/MorphologyBench.cpp
index 0bf689eff63a26c8ed4d622c28884f6a31d1ef8c..a32bca620a3288efcd1d8378fe995c9113efaf1d 100644
--- a/bench/MorphologyBench.cpp
+++ b/bench/MorphologyBench.cpp
@@ -66,12 +66,12 @@ protected:
                 SkMorphologyImageFilter* mf = NULL;
                 switch (fStyle) {
                 case kDilate_MT:
-                    mf = new SkDilateImageFilter(SkScalarFloorToInt(fRadius),
-                                                 SkScalarFloorToInt(fRadius));
+                    mf = SkDilateImageFilter::Create(SkScalarFloorToInt(fRadius),
+                                                    SkScalarFloorToInt(fRadius));
                     break;
                 case kErode_MT:
-                    mf = new SkErodeImageFilter(SkScalarFloorToInt(fRadius),
-                                                SkScalarFloorToInt(fRadius));
+                    mf = SkErodeImageFilter::Create(SkScalarFloorToInt(fRadius),
+                                                    SkScalarFloorToInt(fRadius));
                     break;
                 }
                 paint.setImageFilter(mf)->unref();