Factory methods for heap-allocated SkPathEffect and SkXfermode objects.

include/effects/Sk1DPathEffect.h

Index: include/effects/Sk1DPathEffect.h
diff --git a/include/effects/Sk1DPathEffect.h b/include/effects/Sk1DPathEffect.h
index 4ac8f73b266bb5e80cd19950742b2a4a3ca0fa25..ce49460e653733836b8b27441c86adf0a827d185 100644
--- a/include/effects/Sk1DPathEffect.h
+++ b/include/effects/Sk1DPathEffect.h
@@ -52,7 +52,10 @@ public:
         @param style how to transform path at each point (based on the current
                      position and tangent)
     */
-    SkPath1DPathEffect(const SkPath& path, SkScalar advance, SkScalar phase, Style);
+    static SkPath1DPathEffect* Create(const SkPath& path, SkScalar advance, SkScalar phase,
+                                      Style style) {
+        return SkNEW_ARGS(SkPath1DPathEffect, (path, advance, phase, style));
+    }
 
     virtual bool filterPath(SkPath*, const SkPath&,
                             SkStrokeRec*, const SkRect*) const SK_OVERRIDE;
@@ -67,6 +70,11 @@ protected:
     virtual SkScalar begin(SkScalar contourLength) const SK_OVERRIDE;
     virtual SkScalar next(SkPath*, SkScalar, SkPathMeasure&) const SK_OVERRIDE;
 
+#ifdef SK_SUPPORT_LEGACY_PUBLICEFFECTCONSTRUCTORS
+public:
+#endif
+    SkPath1DPathEffect(const SkPath& path, SkScalar advance, SkScalar phase, Style);
+
 private:
     SkPath      fPath;          // copied from constructor
     SkScalar    fAdvance;       // copied from constructor