Try out scalar picture sizes

src/core/SkRecordDraw.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 "SkRecordDraw.h"
 #include "SkPatchUtils.h"
 
@@ skipping 303 matching lines @@
         dst.set(op.cubics, SkPatchUtils::kNumCtrlPts);
         return this->adjustAndMap(dst, &op.paint);
     }
     SkIRect bounds(const DrawVertices& op) const {
         SkRect dst;
         dst.set(op.vertices, op.vertexCount);
         return this->adjustAndMap(dst, &op.paint);
     }
 
     SkIRect bounds(const DrawPicture& op) const {
-        SkRect dst = SkRect::MakeWH(op.picture->width(), op.picture->height());
+        SkRect dst = op.picture->cullRect();
         if (op.matrix) {
             op.matrix->mapRect(&dst);
         }
         return this->adjustAndMap(dst, op.paint);
     }
 
     SkIRect bounds(const DrawPosText& op) const {
         const int N = op.paint.countText(op.text, op.byteLength);
         if (N == 0) {
             return SkIRect::MakeEmpty();
@@ skipping 123 matching lines @@
     // Used to track the bounds of Save/Restore blocks and the control ops inside them.
     SkTDArray<SaveBounds> fSaveStack;
     SkTDArray<unsigned>   fControlIndices;
 };
 
 }  // namespace SkRecords
 
 void SkRecordFillBounds(const SkRecord& record, SkBBoxHierarchy* bbh) {
     SkRecords::FillBounds(record, bbh);
 }