Remove Picture deletion listeners.

src/utils/SkPictureUtils.cpp

 /*
  * Copyright 2012 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 "SkBitmapDevice.h"
 #include "SkCanvas.h"
@@ skipping 214 matching lines @@
     }
 };
 
 size_t SkPictureUtils::ApproximateBytesUsed(const SkPicture* pict) {
     size_t byteCount = sizeof(*pict);
 
     byteCount += pict->fRecord->bytesUsed();
     if (pict->fBBH.get()) {
         byteCount += pict->fBBH->bytesUsed();
     }
-    byteCount +=
-        pict->fDeletionListeners.reserved() * sizeof(SkPicture::DeletionListener*) +
-        pict->fDeletionListeners.count() * sizeof(SkPicture::DeletionListener);
-
     MeasureRecords visitor;
     for (unsigned curOp = 0; curOp < pict->fRecord->count(); curOp++) {
         byteCount += pict->fRecord->visit<size_t>(curOp, visitor);
     }
 
     return byteCount;
 }