Simplify flattening to just write enough to call the factory

samplecode/SampleAll.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 #include "SampleCode.h"
 #include "SkBlurMask.h"
 #include "SkCanvas.h"
@@ skipping 154 matching lines @@
     Dot2DPathEffect(SkScalar radius, const SkMatrix& matrix)
         : Sk2DPathEffect(matrix), fRadius(radius) {}
 
     SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(Dot2DPathEffect)
 
 protected:
     virtual void next(const SkPoint& loc, int u, int v, SkPath* dst) const SK_OVERRIDE {
         dst->addCircle(loc.fX, loc.fY, fRadius);
     }
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
     Dot2DPathEffect(SkReadBuffer& buffer) : INHERITED(buffer) {
         fRadius = buffer.readScalar();
     }
+#endif
     virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE {
         this->INHERITED::flatten(buffer);
         buffer.writeScalar(fRadius);
     }
 
 private:
     SkScalar fRadius;
 
     typedef Sk2DPathEffect INHERITED;
 };
@@ skipping 405 matching lines @@
 private:
     SkPoint fClickPt;
     SkBitmap fBug, fTb, fTx;
     typedef SampleView INHERITED;
 };
 
 //////////////////////////////////////////////////////////////////////////////
 
 static SkView* MyFactory() { return new DemoView; }
 static SkViewRegister reg(MyFactory);