Factory methods for heap-allocated SkImageFilter objects.

gm/imagefiltersscaled.cpp

Index: gm/imagefiltersscaled.cpp
diff --git a/gm/imagefiltersscaled.cpp b/gm/imagefiltersscaled.cpp
index 6ccaece7efe86f31c6d59f9d8fc34d2968301cf8..cb3af2640c7a03cf47c7defe4d41640edb599635 100644
--- a/gm/imagefiltersscaled.cpp
+++ b/gm/imagefiltersscaled.cpp
@@ -84,22 +84,22 @@ protected:
         }
         canvas->clear(0x00000000);
 
-        SkAutoTUnref<SkImageFilter> gradient(new SkBitmapSource(fGradientCircle));
-        SkAutoTUnref<SkImageFilter> checkerboard(new SkBitmapSource(fCheckerboard));
+        SkAutoTUnref<SkImageFilter> gradient(SkBitmapSource::Create(fGradientCircle));
+        SkAutoTUnref<SkImageFilter> checkerboard(SkBitmapSource::Create(fCheckerboard));
 
         SkImageFilter* filters[] = {
-            new SkBlurImageFilter(SkIntToScalar(4), SkIntToScalar(4)),
-            new SkDropShadowImageFilter(SkIntToScalar(5), SkIntToScalar(10), SkIntToScalar(3),
-                                        SK_ColorYELLOW),
-            new SkDisplacementMapEffect(SkDisplacementMapEffect::kR_ChannelSelectorType,
-                                        SkDisplacementMapEffect::kR_ChannelSelectorType,
-                                        SkIntToScalar(12),
-                                        gradient.get(),
-                                        checkerboard.get()),
-            new SkDilateImageFilter(1, 1, checkerboard.get()),
-            new SkErodeImageFilter(1, 1, checkerboard.get()),
-            new SkOffsetImageFilter(SkIntToScalar(32), 0),
-            new SkResizeImageFilter(RESIZE_FACTOR, RESIZE_FACTOR, SkPaint::kNone_FilterLevel),
+            SkBlurImageFilter::Create(SkIntToScalar(4), SkIntToScalar(4)),
+            SkDropShadowImageFilter::Create(SkIntToScalar(5), SkIntToScalar(10), SkIntToScalar(3),
+                                            SK_ColorYELLOW),
+            SkDisplacementMapEffect::Create(SkDisplacementMapEffect::kR_ChannelSelectorType,
+                                            SkDisplacementMapEffect::kR_ChannelSelectorType,
+                                            SkIntToScalar(12),
+                                            gradient.get(),
+                                            checkerboard.get()),
+            SkDilateImageFilter::Create(1, 1, checkerboard.get()),
+            SkErodeImageFilter::Create(1, 1, checkerboard.get()),
+            SkOffsetImageFilter::Create(SkIntToScalar(32), 0),
+            SkResizeImageFilter::Create(RESIZE_FACTOR, RESIZE_FACTOR, SkPaint::kNone_FilterLevel),
         };
 
         SkVector scales[] = {