Factory methods for heap-allocated SkImageFilter objects.

gm/matrixconvolution.cpp

Index: gm/matrixconvolution.cpp
diff --git a/gm/matrixconvolution.cpp b/gm/matrixconvolution.cpp
index b986cc1fc0ca719762cabc1481ebbf66aa7623a4..5976a40ce643d0715e65fd13f6c6080523cfd111 100644
--- a/gm/matrixconvolution.cpp
+++ b/gm/matrixconvolution.cpp
@@ -57,15 +57,15 @@ protected:
         SkScalar gain = 0.3f, bias = SkIntToScalar(100);
         SkPaint paint;
         SkAutoTUnref<SkImageFilter> filter(
-            SkNEW_ARGS(SkMatrixConvolutionImageFilter, (kernelSize,
-                                                        kernel,
-                                                        gain,
-                                                        bias,
-                                                        target,
-                                                        tileMode,
-                                                        convolveAlpha,
-                                                        NULL,
-                                                        cropRect)));
+            SkMatrixConvolutionImageFilter::Create(kernelSize,
+                                                   kernel,
+                                                   gain,
+                                                   bias,
+                                                   target,
+                                                   tileMode,
+                                                   convolveAlpha,
+                                                   NULL,
+                                                   cropRect));
         paint.setImageFilter(filter);
         canvas->save();
         canvas->translate(SkIntToScalar(x), SkIntToScalar(y));