option to return drawable from recording

include/core/SkPictureRecorder.h

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkPictureRecorder_DEFINED
 #define SkPictureRecorder_DEFINED
 
 #include "SkBBHFactory.h"
 #include "SkPicture.h"
 #include "SkRefCnt.h"
 
 #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
 namespace android {
     class Picture;
 };
 #endif
 
 class SkCanvas;
+class SkCanvasDrawable;
 class SkPictureRecord;
 class SkRecord;
 class SkRecorder;
 
 class SK_API SkPictureRecorder : SkNoncopyable {
 public:
     SkPictureRecorder();
     ~SkPictureRecorder();
 
 #ifdef SK_LEGACY_PICTURE_SIZE_API
@@ skipping 32 matching lines @@
         not active. This does not alter the refcnt on the canvas (if present).
     */
     SkCanvas* getRecordingCanvas();
 
     /** Signal that the caller is done recording. This invalidates the canvas
         returned by beginRecording/getRecordingCanvas, and returns the
         created SkPicture. Note that the returned picture has its creation
         ref which the caller must take ownership of.
     */
     SkPicture* endRecording();
 

[robertphillips, 2014/11/24 15:42:02]

// Is it too early for a comment ?

[reed1, 2014/11/24 17:10:48]

Done.

+    SkCanvasDrawable* EXPERIMENTAL_endRecordingAsDrawable();
+
 private:
     void reset();
 
     /** Replay the current (partially recorded) operation stream into
         canvas. This call doesn't close the current recording.
     */
 #ifdef SK_BUILD_FOR_ANDROID_FRAMEWORK
     friend class android::Picture;
 #endif
     friend class SkPictureRecorderReplayTester; // for unit testing
     void partialReplay(SkCanvas* canvas) const;
 
     uint32_t                      fFlags;
     SkRect                        fCullRect;
     SkAutoTUnref<SkBBoxHierarchy> fBBH;
     SkAutoTUnref<SkRecorder>      fRecorder;
-    SkAutoTDelete<SkRecord>       fRecord;
+    SkAutoTUnref<SkRecord>        fRecord;
 
     typedef SkNoncopyable INHERITED;
 };
 
 #endif