Revert of Delete SkFlattenable::Type

include/core/SkXfermode.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 SkXfermode_DEFINED
@@ skipping 216 matching lines @@
 
     /** A subclass must implement this factory function to work with the GPU backend. 
         The xfermode will return a factory for which the caller will get a ref. It is up 
         to the caller to install it. XferProcessors cannot use a background texture.
       */
     virtual GrXPFactory* asXPFactory() const;
 #endif
 
     SK_TO_STRING_PUREVIRT()
     SK_DECLARE_FLATTENABLE_REGISTRAR_GROUP()
+    SK_DEFINE_FLATTENABLE_TYPE(SkXfermode)
 
     enum D32Flags {
         kSrcIsOpaque_D32Flag  = 1 << 0,
         kSrcIsSingle_D32Flag  = 1 << 1,
         kDstIsSRGB_D32Flag    = 1 << 2,
     };
     typedef void (*D32Proc)(const SkXfermode*, uint32_t dst[], const SkPM4f src[],
                             int count, const SkAlpha coverage[]);
     static D32Proc GetD32Proc(SkXfermode*, uint32_t flags);
     static D32Proc GetD32Proc(const sk_sp<SkXfermode>& xfer, uint32_t flags) {
@@ skipping 39 matching lines @@
 
 private:
     enum {
         kModeCount = kLastMode + 1
     };
 
     typedef SkFlattenable INHERITED;
 };
 
 #endif