Revert of SkFontData to use smart pointers.

tools/viewer/SKPSlide.cpp

 /*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
 #include "SKPSlide.h"
 
 #include "SkCanvas.h"
@@ skipping 17 matching lines @@
 
         canvas->drawPicture(fPic.get());
 
         if (isOffset) {
             canvas->restore();
         }
     }
 }
 
 static sk_sp<SkPicture> read_picture(const char path[]) {
-    std::unique_ptr<SkStream> stream = SkStream::MakeFromFile(path);
-    if (!stream) {
+    SkAutoTDelete<SkStream> stream(SkStream::NewFromFile(path));
+    if (stream.get() == nullptr) {
         SkDebugf("Could not read %s.\n", path);
         return nullptr;
     }
 
     auto pic = SkPicture::MakeFromStream(stream.get());
     if (!pic) {
         SkDebugf("Could not read %s as an SkPicture.\n", path);
     }
     return pic;
 }
 
 void SKPSlide::load(SkScalar, SkScalar) {
     fPic = read_picture(fPath.c_str());
     fCullRect = fPic->cullRect().roundOut();
 }
 
 void SKPSlide::unload() {
     fPic.reset(nullptr);
 }