Add choke point for performing a fake endRecording

include/core/SkPicture.h

Index: include/core/SkPicture.h
diff --git a/include/core/SkPicture.h b/include/core/SkPicture.h
index c0b776ce545cff62285e5139cb01ffbf36d46252..e17a0d4bd3f0367d7d55a1b98b2b1f6901517d95 100644
--- a/include/core/SkPicture.h
+++ b/include/core/SkPicture.h
@@ -472,6 +472,9 @@ private:
 
     void createHeader(SkPictInfo* info) const;
     static bool IsValidPictInfo(const SkPictInfo& info);
+    static SkPicturePlayback* FakeEndRecording(const SkPicture* resourceSrc,
+                                               const SkPictureRecord& record,
+                                               bool deepCopy);
 
     friend class SkFlatPicture;
     friend class SkPicturePlayback;