add parallel public API for recording SkLiteDL.

src/core/SkPictureRecorder.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 "SkBigPicture.h"
 #include "SkData.h"
 #include "SkDrawable.h"
@@ skipping 178 matching lines @@
 
     sk_sp<SkDrawable> drawable =
          sk_make_sp<SkRecordedDrawable>(fRecord, fBBH, fRecorder->detachDrawableList(), fCullRect);
 
     // release our refs now, so only the drawable will be the owner.
     fRecord.reset(nullptr);
     fBBH.reset(nullptr);
 
     return drawable;
 }
+
+#include "SkLiteDL.h"
+#include "SkLiteRecorder.h"
+
+SkPictureRecorder_Lite:: SkPictureRecorder_Lite() : fRecorder(new SkLiteRecorder) {}
+SkPictureRecorder_Lite::~SkPictureRecorder_Lite() {}
+
+SkCanvas* SkPictureRecorder_Lite::beginRecording(const SkRect& bounds) {
+    fDL = SkLiteDL::New(bounds);
+    fRecorder->reset(fDL.get());
+    return this->getRecordingCanvas();
+}
+
+SkCanvas* SkPictureRecorder_Lite::getRecordingCanvas() {
+    return fDL ? fRecorder.get() : nullptr;
+}
+
+sk_sp<SkDrawable> SkPictureRecorder_Lite::finishRecordingAsDrawable(uint32_t) {
+    if (fGrContextToOptimizeFor) {
+        fDL->optimizeFor(fGrContextToOptimizeFor);
+    }
+    return std::move(fDL);
+}