Simplify flattening to just write enough to call the factory

src/effects/SkCornerPathEffect.cpp

 
 /*
  * 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.
  */
 
 
 #include "SkCornerPathEffect.h"
@@ skipping 110 matching lines @@
 
         if (SkPath::kMove_Verb == prevVerb) {
             firstStep = step;
         }
         prevVerb = verb;
     }
 DONE:
     return true;
 }
 
+SkFlattenable* SkCornerPathEffect::CreateProc(SkReadBuffer& buffer) {
+    return SkCornerPathEffect::Create(buffer.readScalar());
+}
+
 void SkCornerPathEffect::flatten(SkWriteBuffer& buffer) const {
-    this->INHERITED::flatten(buffer);
     buffer.writeScalar(fRadius);
 }
 
+#ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING
 SkCornerPathEffect::SkCornerPathEffect(SkReadBuffer& buffer) {
     fRadius = buffer.readScalar();
 }
+#endif