Factory methods for heap-allocated SkPathEffect and SkXfermode objects.

src/core/SkXfermode_proccoeff.h

 #ifndef SkXfermode_proccoeff_DEFINED
 #define SkXfermode_proccoeff_DEFINED
 
 #include "SkXfermode.h"
 #include "SkReadBuffer.h"
 #include "SkWriteBuffer.h"
 
 struct ProcCoeff {
     SkXfermodeProc      fProc;
     SkXfermode::Coeff   fSC;
     SkXfermode::Coeff   fDC;
 };
 
 #define CANNOT_USE_COEFF    SkXfermode::Coeff(-1)
 
 class SkProcCoeffXfermode : public SkProcXfermode {
 public:
-    SkProcCoeffXfermode(const ProcCoeff& rec, Mode mode)
-            : INHERITED(rec.fProc) {
-        fMode = mode;
-        // these may be valid, or may be CANNOT_USE_COEFF
-        fSrcCoeff = rec.fSC;
-        fDstCoeff = rec.fDC;
+    static SkProcCoeffXfermode* Create(const ProcCoeff& rec, Mode mode) {
+        return SkNEW_ARGS(SkProcCoeffXfermode, (rec, mode));
     }
 
     virtual bool asMode(Mode* mode) const SK_OVERRIDE;
 
     virtual bool asCoeff(Coeff* sc, Coeff* dc) const SK_OVERRIDE;
 
 #if SK_SUPPORT_GPU
     virtual bool asNewEffect(GrEffectRef** effect,
                              GrTexture* background) const SK_OVERRIDE;
 #endif
 
     SK_DEVELOPER_TO_STRING()
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkProcCoeffXfermode)
 
 protected:
+    SkProcCoeffXfermode(const ProcCoeff& rec, Mode mode)
+            : INHERITED(rec.fProc) {
+        fMode = mode;
+        // these may be valid, or may be CANNOT_USE_COEFF
+        fSrcCoeff = rec.fSC;
+        fDstCoeff = rec.fDC;
+    }
+
     SkProcCoeffXfermode(SkReadBuffer& buffer);
 
     virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE;
 
     Mode getMode() const {
         return fMode;
     }
 
 private:
     Mode    fMode;
     Coeff   fSrcCoeff, fDstCoeff;
 
     typedef SkProcXfermode INHERITED;
 };
 
 #endif // #ifndef SkXfermode_proccoeff_DEFINED