Simplify flattening to just write enough to call the factory

include/effects/SkLayerRasterizer.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkLayerRasterizer_DEFINED
@@ skipping 63 matching lines @@
         the specified paint, but will not retain a reference to the paint
         object itself, so it may be reused without danger of side-effects.
     */
     void addLayer(const SkPaint& paint, SkScalar dx, SkScalar dy);
 #endif
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SkLayerRasterizer)
 
 protected:
     SkLayerRasterizer(SkDeque* layers);
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
     SkLayerRasterizer(SkReadBuffer&);
+#endif
     virtual void flatten(SkWriteBuffer&) const SK_OVERRIDE;
 
     // override from SkRasterizer
     virtual bool onRasterize(const SkPath& path, const SkMatrix& matrix,
                              const SkIRect* clipBounds,
                              SkMask* mask, SkMask::CreateMode mode) const;
 
 #ifdef SK_SUPPORT_LEGACY_LAYERRASTERIZER_API
 public:
 #endif
     SkLayerRasterizer();
 
 private:
 #ifdef SK_SUPPORT_LEGACY_LAYERRASTERIZER_API
     SkDeque* fLayers;
 #else
     const SkDeque* const fLayers;
 #endif
 
     static SkDeque* ReadLayers(SkReadBuffer& buffer);
 
     friend class LayerRasterizerTester;
 
     typedef SkRasterizer INHERITED;
 };
 
 #endif