Factory methods for heap-allocated SkColorFilter objects.

include/effects/SkColorMatrixFilter.h

Index: include/effects/SkColorMatrixFilter.h
diff --git a/include/effects/SkColorMatrixFilter.h b/include/effects/SkColorMatrixFilter.h
index a4144e17175dcd765aaaf022de52df7dd186aeca..785d682c991550141dc8bdcbe628850033035e1d 100644
--- a/include/effects/SkColorMatrixFilter.h
+++ b/include/effects/SkColorMatrixFilter.h
@@ -13,8 +13,12 @@
 
 class SK_API SkColorMatrixFilter : public SkColorFilter {
 public:
-    explicit SkColorMatrixFilter(const SkColorMatrix&);
-    SkColorMatrixFilter(const SkScalar array[20]);
+    static SkColorMatrixFilter* Create(const SkColorMatrix& cm) {
+        return SkNEW_ARGS(SkColorMatrixFilter, (cm));
+    }
+    static SkColorMatrixFilter* Create(const SkScalar array[20]) {
+        return SkNEW_ARGS(SkColorMatrixFilter, (array));
+    }
 
     // overrides from SkColorFilter
     virtual void filterSpan(const SkPMColor src[], int count, SkPMColor[]) const SK_OVERRIDE;
@@ -38,6 +42,12 @@ protected:
     SkColorMatrixFilter(SkReadBuffer& buffer);
     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
 
+#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
+public:
+#endif
+    explicit SkColorMatrixFilter(const SkColorMatrix&);
+    SkColorMatrixFilter(const SkScalar array[20]);
+
 private:
     SkColorMatrix fMatrix;