Factory methods for heap-allocated SkPathEffect and SkXfermode objects.

include/effects/Sk2DPathEffect.h

Index: include/effects/Sk2DPathEffect.h
diff --git a/include/effects/Sk2DPathEffect.h b/include/effects/Sk2DPathEffect.h
index 859b5cd95292f96f6ec5021e344b22b8071553a9..9e8b271d8a4c850a836cff9ee0524ea4bf088926 100644
--- a/include/effects/Sk2DPathEffect.h
+++ b/include/effects/Sk2DPathEffect.h
@@ -14,7 +14,9 @@
 
 class SK_API Sk2DPathEffect : public SkPathEffect {
 public:
-    Sk2DPathEffect(const SkMatrix& mat);
+    static Sk2DPathEffect* Create(const SkMatrix& mat) {
+        return SkNEW_ARGS(Sk2DPathEffect, (mat));
+    }
 
     virtual bool filterPath(SkPath*, const SkPath&,
                             SkStrokeRec*, const SkRect*) const SK_OVERRIDE;
@@ -22,6 +24,8 @@ public:
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(Sk2DPathEffect)
 
 protected:
+    Sk2DPathEffect(const SkMatrix& mat);
+
     /** New virtual, to be overridden by subclasses.
         This is called once from filterPath, and provides the
         uv parameter bounds for the path. Subsequent calls to
@@ -58,8 +62,9 @@ private:
 
 class SK_API SkLine2DPathEffect : public Sk2DPathEffect {
 public:
-    SkLine2DPathEffect(SkScalar width, const SkMatrix& matrix)
-    : Sk2DPathEffect(matrix), fWidth(width) {}
+    static SkLine2DPathEffect* Create(SkScalar width, const SkMatrix& matrix) {
+        return SkNEW_ARGS(SkLine2DPathEffect, (width, matrix));
+    }
 
     virtual bool filterPath(SkPath* dst, const SkPath& src,
                             SkStrokeRec*, const SkRect*) const SK_OVERRIDE;
@@ -67,6 +72,9 @@ public:
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLine2DPathEffect)
 
 protected:
+    SkLine2DPathEffect(SkScalar width, const SkMatrix& matrix)
+    : Sk2DPathEffect(matrix), fWidth(width) {}
+
     virtual void nextSpan(int u, int v, int ucount, SkPath*) const SK_OVERRIDE;
 
     SkLine2DPathEffect(SkReadBuffer&);
@@ -85,11 +93,14 @@ public:
      *  Stamp the specified path to fill the shape, using the matrix to define
      *  the latice.
      */
-    SkPath2DPathEffect(const SkMatrix&, const SkPath&);
+    static SkPath2DPathEffect* Create(const SkMatrix& matrix, const SkPath& path) {
+        return SkNEW_ARGS(SkPath2DPathEffect, (matrix, path));
+    }
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkPath2DPathEffect)
 
 protected:
+    SkPath2DPathEffect(const SkMatrix&, const SkPath&);
     SkPath2DPathEffect(SkReadBuffer& buffer);
     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;