Remove GrLayerHoister

src/core/SkRecordedDrawable.h

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBBoxHierarchy.h"
 #include "SkDrawable.h"
 #include "SkRecord.h"
 #include "SkRecorder.h"
 
 class SkRecordedDrawable : public SkDrawable {
 public:
     SkRecordedDrawable(SkRecord* record, SkBBoxHierarchy* bbh, SkDrawableList* drawableList,
-                       const SkRect& bounds, bool doSaveLayerInfo)
+                       const SkRect& bounds)
         : fRecord(SkRef(record))
         , fBBH(SkSafeRef(bbh))
         , fDrawableList(drawableList)   // we take ownership
         , fBounds(bounds)
-        , fDoSaveLayerInfo(doSaveLayerInfo)
     {}
 
     void flatten(SkWriteBuffer& buffer) const override;
 
     static sk_sp<SkFlattenable> CreateProc(SkReadBuffer& buffer);
 
     Factory getFactory() const override { return CreateProc; }
 
 protected:
     SkRect onGetBounds() override { return fBounds; }
 
     void onDraw(SkCanvas* canvas) override;
 
     SkPicture* onNewPictureSnapshot() override;
 
 private:
     SkAutoTUnref<SkRecord>          fRecord;
     SkAutoTUnref<SkBBoxHierarchy>   fBBH;
     SkAutoTDelete<SkDrawableList>   fDrawableList;
     const SkRect                    fBounds;
-    const bool                      fDoSaveLayerInfo;
 };