Enable flattening/unflattening with custom unflatten procs

include/core/SkWriteBuffer.h

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkWriteBuffer_DEFINED
 #define SkWriteBuffer_DEFINED
 
 #include "SkData.h"
 #include "SkImage.h"
 #include "SkPath.h"
 #include "SkPicture.h"
 #include "SkPixelSerializer.h"
 #include "SkRefCnt.h"
 #include "SkWriter32.h"
+#include "../private/SkTHash.h"
 
 class SkBitmap;
 class SkBitmapHeap;
 class SkFactorySet;
 class SkFlattenable;
 class SkRefCntSet;
 
 class SkWriteBuffer {
 public:
     enum Flags {
@@ skipping 82 matching lines @@
     bool isValidating() const { return SkToBool(fFlags & kValidation_Flag); }
 
     const uint32_t fFlags;
     SkFactorySet* fFactorySet;
     SkWriter32 fWriter;
 
     SkBitmapHeap* fBitmapHeap;
     SkRefCntSet* fTFSet;
 
     SkAutoTUnref<SkPixelSerializer> fPixelSerializer;
+
+    // Only used if we do not have an fFactorySet
+    SkTHashMap<SkString, uint32_t> fFlattenableDict;
+    uint32_t fNextIndex;
 };
 
 #endif // SkWriteBuffer_DEFINED