Switch Layer Hoisting over to SkRecord backend

src/core/SkPictureRangePlayback.cpp

-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkCanvas.h"
-#include "SkPictureData.h"
-#include "SkPictureRangePlayback.h"
-
-void SkPictureRangePlayback::draw(SkCanvas* canvas, SkDrawPictureCallback* callback) {
-    AutoResetOpID aroi(this);
-    SkASSERT(0 == fCurOffset);
-
-    SkReader32 reader(fPictureData->opData()->bytes(), fPictureData->opData()->size());
-
-    if (0 != fStart || 0 != fStop) {
-        reader.setOffset(fStart);
-        uint32_t size;
-        SkDEBUGCODE(DrawType op = ) ReadOpAndSize(&reader, &size);
-        SkASSERT(SAVE_LAYER == op);
-        reader.setOffset(fStart + size);
-    }
-
-    // Record this, so we can concat w/ it if we encounter a setMatrix()
-    SkMatrix initialMatrix = canvas->getTotalMatrix();
-
-    SkAutoCanvasRestore acr(canvas, false);
-
-    while (!reader.eof()) {
-        if (NULL != callback && callback->abortDrawing()) {
-            return;
-        }
-
-        if (0 != fStart || 0 != fStop) {
-            size_t offset = reader.offset();
-            if (offset >= fStop) {
-                SkDEBUGCODE(uint32_t size;)
-                SkDEBUGCODE(DrawType op = ReadOpAndSize(&reader, &size);)
-                SkASSERT(RESTORE == op);
-                return;
-            }
-        }
-
-        fCurOffset = reader.offset();
-        uint32_t size;
-        DrawType op = ReadOpAndSize(&reader, &size);
-        if (NOOP == op) {
-            // NOOPs are to be ignored - do not propagate them any further
-            reader.setOffset(fCurOffset + size);
-            continue;
-        }
-
-        this->handleOp(&reader, op, size, canvas, initialMatrix);
-    }
-}