Sketch splitting SkPicture into an interface and SkBigPicture.

include/core/SkPictureRecorder.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPictureRecorder_DEFINED
 #define SkPictureRecorder_DEFINED
 
+#include "../../src/core/SkMiniRecorder.h"
 #include "SkBBHFactory.h"
 #include "SkPicture.h"
 #include "SkRefCnt.h"
 
 #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
 namespace android {
     class Picture;
 };
 #endif
 
@@ skipping 74 matching lines @@
 #endif
     friend class SkPictureRecorderReplayTester; // for unit testing
     void partialReplay(SkCanvas* canvas) const;
 
     bool                          fActivelyRecording;
     uint32_t                      fFlags;
     SkRect                        fCullRect;
     SkAutoTUnref<SkBBoxHierarchy> fBBH;
     SkAutoTUnref<SkRecorder>      fRecorder;
     SkAutoTUnref<SkRecord>        fRecord;
+    SkMiniRecorder                fMiniRecorder;
 
     typedef SkNoncopyable INHERITED;
 };
 
 #endif