Revert of SkFontData to use smart pointers.

bench/nanobench.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 <ctype.h>
 
 #include "nanobench.h"
@@ skipping 627 matching lines @@
         }
     }
 
     static sk_sp<SkPicture> ReadPicture(const char* path) {
         // Not strictly necessary, as it will be checked again later,
         // but helps to avoid a lot of pointless work if we're going to skip it.
         if (SkCommandLineFlags::ShouldSkip(FLAGS_match, SkOSPath::Basename(path).c_str())) {
             return nullptr;
         }
 
-        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;
         }
 
         return SkPicture::MakeFromStream(stream.get());
     }
 
     static sk_sp<SkPicture> ReadSVGPicture(const char* path) {
         SkFILEStream stream(path);
         if (!stream.isValid()) {
@@ skipping 687 matching lines @@
 
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return nanobench_main();
 }
 #endif