Factory methods for heap-allocated SkImageFilter objects.

include/effects/SkComposeImageFilter.h

Index: include/effects/SkComposeImageFilter.h
diff --git a/include/effects/SkComposeImageFilter.h b/include/effects/SkComposeImageFilter.h
index 9e024ef84e193f6d3eb1af7f452cbbda0803c292..7a982d8090b08b5065a7d2f791d3e7ce86c2a2c0 100644
--- a/include/effects/SkComposeImageFilter.h
+++ b/include/effects/SkComposeImageFilter.h
@@ -12,9 +12,12 @@
 
 class SK_API SkComposeImageFilter : public SkImageFilter {
 public:
-    SkComposeImageFilter(SkImageFilter* outer, SkImageFilter* inner) : INHERITED(outer, inner) {}
     virtual ~SkComposeImageFilter();
 
+    static SkComposeImageFilter* Create(SkImageFilter* outer, SkImageFilter* inner) {
+        return SkNEW_ARGS(SkComposeImageFilter, (outer, inner));
+    }
+
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkComposeImageFilter)
 
 protected:
@@ -24,6 +27,11 @@ protected:
                                SkBitmap* result, SkIPoint* loc) const SK_OVERRIDE;
     virtual bool onFilterBounds(const SkIRect&, const SkMatrix&, SkIRect*) const SK_OVERRIDE;
 
+#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
+public:
+#endif
+    SkComposeImageFilter(SkImageFilter* outer, SkImageFilter* inner) : INHERITED(outer, inner) {}
+
 private:
     typedef SkImageFilter INHERITED;
 };