Use sk_sp text blob APIs

tools/debugger/SkDrawCommand.h

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SKDRAWCOMMAND_H_
 #define SKDRAWCOMMAND_H_
 
@@ skipping 607 matching lines @@
     char*     fText;
     size_t    fByteLength;
     SkScalar  fConstY;
     SkPaint   fPaint;
 
     typedef SkDrawCommand INHERITED;
 };
 
 class SkDrawTextBlobCommand : public SkDrawCommand {
 public:
-    SkDrawTextBlobCommand(const SkTextBlob* blob, SkScalar x, SkScalar y, const SkPaint& paint);
+    SkDrawTextBlobCommand(sk_sp<SkTextBlob> blob, SkScalar x, SkScalar y, const SkPaint& paint);
 
     void execute(SkCanvas* canvas) const override;
     bool render(SkCanvas* canvas) const override;
     Json::Value toJSON(UrlDataManager& urlDataManager) const override;
     static SkDrawTextBlobCommand* fromJSON(Json::Value& command, UrlDataManager& urlDataManager);
 
 private:
-    SkAutoTUnref<const SkTextBlob> fBlob;
-    SkScalar                       fXPos;
-    SkScalar                       fYPos;
-    SkPaint                        fPaint;
+    sk_sp<SkTextBlob> fBlob;
+    SkScalar          fXPos;
+    SkScalar          fYPos;
+    SkPaint           fPaint;
 
     typedef SkDrawCommand INHERITED;
 };
 
 class SkDrawPatchCommand : public SkDrawCommand {
 public:
     SkDrawPatchCommand(const SkPoint cubics[12], const SkColor colors[4],
                        const SkPoint texCoords[4], SkXfermode* xmode,
                        const SkPaint& paint);
     void execute(SkCanvas* canvas) const override;
@@ skipping 144 matching lines @@
     Json::Value toJSON(UrlDataManager& urlDataManager) const override;
     static SkTranslateZCommand* fromJSON(Json::Value& command, UrlDataManager& urlDataManager);
 
 private:
     SkScalar fZTranslate;
 
     typedef SkDrawCommand INHERITED;
 };
 #endif