add parallel public API for recording SkLiteDL.

dm/DMSrcSink.cpp

Index: dm/DMSrcSink.cpp
diff --git a/dm/DMSrcSink.cpp b/dm/DMSrcSink.cpp
index 638af13b7b5c00f03e34a283b04aa5a3ef1d82c2..31e15741910bcf382a298d97148e9ff449b9b910 100644
--- a/dm/DMSrcSink.cpp
+++ b/dm/DMSrcSink.cpp
@@ -21,8 +21,6 @@
 #include "SkImageGenerator.h"
 #include "SkImageGeneratorCG.h"
 #include "SkImageGeneratorWIC.h"
-#include "SkLiteDL.h"
-#include "SkLiteRecorder.h"
 #include "SkMallocPixelRef.h"
 #include "SkMultiPictureDraw.h"
 #include "SkNullCanvas.h"
@@ -1615,18 +1613,15 @@ Error ViaSingletonPictures::draw(
 
 Error ViaLite::draw(const Src& src, SkBitmap* bitmap, SkWStream* stream, SkString* log) const {
     auto size = src.size();
-    SkRect bounds = {0,0, (SkScalar)size.width(), (SkScalar)size.height()};
     return draw_to_canvas(fSink, bitmap, stream, log, size, [&](SkCanvas* canvas) -> Error {
-        sk_sp<SkLiteDL> dl = SkLiteDL::New(bounds);
-
-        SkLiteRecorder rec;
-        rec.reset(dl.get());
-
-        Error err = src.draw(&rec);
+        SkPictureRecorder_Lite recorder;
+        Error err = src.draw(recorder.beginRecording(SkIntToScalar(size.width()),
+                                                     SkIntToScalar(size.height())));
         if (!err.isEmpty()) {
             return err;
         }
-        dl->draw(canvas);
+        sk_sp<SkDrawable> dl = recorder.finishRecordingAsDrawable();
+        canvas->drawDrawable(dl.get());
         return check_against_reference(bitmap, src, fSink);
     });
 }