Tick off some TODOs:

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"
 
-void SkRecordDraw(const SkRecord& record, SkCanvas* canvas) {
+void SkRecordDraw(const SkRecord& record, SkCanvas* canvas, SkDrawPictureCallback* callback) {
+    SkAutoCanvasRestore saveRestore(canvas, true /*save now, restore at exit*/);
     for (SkRecords::Draw draw(canvas); draw.index() < record.count(); draw.next()) {
+        if (NULL != callback && callback->abortDrawing()) {
+            return;
+        }
         record.visit<void>(draw.index(), draw);
     }
 }
 
 namespace SkRecords {
 
 bool Draw::skip(const PairedPushCull& r) {
     if (fCanvas->quickReject(r.base->rect)) {
         fIndex += r.skip;
         return true;
@@ skipping 40 matching lines @@
 DRAW(DrawText, drawText(r.text, r.byteLength, r.x, r.y, r.paint));
 DRAW(DrawTextOnPath, drawTextOnPath(r.text, r.byteLength, r.path, r.matrix, r.paint));
 DRAW(DrawVertices, drawVertices(r.vmode, r.vertexCount, r.vertices, r.texs, r.colors,
                                 r.xmode.get(), r.indices, r.indexCount, r.paint));
 #undef DRAW
 
 template <> void Draw::draw(const PairedPushCull& r) { this->draw(*r.base); }
 template <> void Draw::draw(const BoundedDrawPosTextH& r) { this->draw(*r.base); }
 
 }  // namespace SkRecords