Split SkPictureRangePlayback out of SkPicturePlayback

src/core/SkPictureData.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 SkPictureData_DEFINED
 #define SkPictureData_DEFINED
 
@@ skipping 134 matching lines @@
 
     const SkPicture::OperationList* getActiveOps(const SkIRect& queryRect) const;
 
     void serialize(SkWStream*, SkPicture::EncodeBitmap) const;
     void flatten(SkWriteBuffer&) const;
 
     void dumpSize() const;
 
     bool containsBitmaps() const;
 
+    const SkData* opData() const { return fOpData; }
+
 protected:
     explicit SkPictureData(const SkPictInfo& info);
 
     bool parseStream(SkStream*, SkPicture::InstallPixelRefProc);
     bool parseBuffer(SkReadBuffer& buffer);
 
 private:
 
     const SkBitmap& getBitmap(SkReader32* reader) const {
         const int index = reader->readInt();
@@ skipping 109 matching lines @@
 
     const SkPictInfo fInfo;
 
     static void WriteFactories(SkWStream* stream, const SkFactorySet& rec);
     static void WriteTypefaces(SkWStream* stream, const SkRefCntSet& rec);
 
     void initForPlayback() const;
 };
 
 #endif