Cull pushCull and popCull from Skia.

src/core/SkRecorder.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 "SkRecorder.h"
 #include "SkPatchUtils.h"
 #include "SkPicture.h"
@@ skipping 277 matching lines @@
 
 void SkRecorder::didRestore() {
     SkBool8 saveLayer;
     fSaveIsSaveLayer.pop(&saveLayer);
     if (saveLayer) {
         fSaveLayerCount--;
     }
     APPEND(Restore, this->devBounds(), this->getTotalMatrix());
 }
 
-void SkRecorder::onPushCull(const SkRect& rect) {
-    APPEND(PushCull, rect);
-}
-
-void SkRecorder::onPopCull() {
-    APPEND(PopCull);
-}
-
 void SkRecorder::didConcat(const SkMatrix& matrix) {
     this->didSetMatrix(this->getTotalMatrix());
 }
 
 void SkRecorder::didSetMatrix(const SkMatrix& matrix) {
     SkDEVCODE(if (matrix != this->getTotalMatrix()) {
         matrix.dump();
         this->getTotalMatrix().dump();
         SkASSERT(matrix == this->getTotalMatrix());
     })
@@ skipping 35 matching lines @@
     APPEND(EndCommentGroup);
 }
 
 bool SkRecorder::isDrawingToLayer() const {
     return fSaveLayerCount > 0;
 }
 
 void SkRecorder::drawData(const void* data, size_t length) {
     APPEND(DrawData, copy((const char*)data), length);
 }