split SkPictureRecorder out of SkPicture

dm/DMReplayTask.cpp

Index: dm/DMReplayTask.cpp
===================================================================
--- dm/DMReplayTask.cpp	(revision 14159)
+++ dm/DMReplayTask.cpp	(working copy)
@@ -22,13 +22,12 @@
     {}
 
 void ReplayTask::draw() {
-    SkPicture recorded;
     const uint32_t flags = fUseRTree ? SkPicture::kOptimizeForClippedPlayback_RecordingFlag : 0;
-    RecordPicture(fGM.get(), &recorded, flags);
+    SkAutoTUnref<SkPicture> recorded(RecordPicture(fGM.get(), flags));
 
     SkBitmap bitmap;
     SetupBitmap(fReference.colorType(), fGM.get(), &bitmap);
-    DrawPicture(&recorded, &bitmap);
+    DrawPicture(recorded, &bitmap);
     if (!BitmapsEqual(bitmap, fReference)) {
         this->fail();
         this->spawnChild(SkNEW_ARGS(WriteTask, (*this, bitmap)));