Factory methods for heap-allocated SkColorFilter objects.

gm/colormatrix.cpp

Index: gm/colormatrix.cpp
diff --git a/gm/colormatrix.cpp b/gm/colormatrix.cpp
index e0dcfaf72ef74d20d7e6b23628f97211bf66371c..862bdf9d513d2241ba2eb9beb77f47fda372f2d1 100644
--- a/gm/colormatrix.cpp
+++ b/gm/colormatrix.cpp
@@ -29,11 +29,11 @@ private:
 };
 
 static void setColorMatrix(SkPaint* paint, const SkColorMatrix& matrix) {
-    paint->setColorFilter(SkNEW_ARGS(SkColorMatrixFilter, (matrix)))->unref();
+    paint->setColorFilter(SkColorMatrixFilter::Create(matrix))->unref();
 }
 
 static void setArray(SkPaint* paint, const SkScalar array[]) {
-    paint->setColorFilter(SkNEW_ARGS(SkColorMatrixFilter, (array)))->unref();
+    paint->setColorFilter(SkColorMatrixFilter::Create(array))->unref();
 }
 
 namespace skiagm {