SkFontData to use smart pointers.

src/utils/SkWhitelistTypefaces.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkFontDescriptor.h"
 #include "SkOpts.h"
 #include "SkStream.h"
@@ skipping 45 matching lines @@
     SkAutoTUnref<SkTypeface::LocalizedStrings> debugIter(
         SkOTUtils::LocalizedStrings_NameTable::CreateForFamilyNames(*tf));
     while (debugIter->next(&familyNameLocalized)) {
         SkDebugf("no match fontName=\"%s\"\n", familyNameLocalized.fString.c_str());
     }
 #endif
     return -1;
 }
 
 static uint32_t compute_checksum(const SkTypeface* tf) {
-    SkFontData* fontData = tf->createFontData();
+    std::unique_ptr<SkFontData> fontData = tf->makeFontData();
     if (!fontData) {
         return 0;
     }
     SkStreamAsset* fontStream = fontData->getStream();
     if (!fontStream) {
         return 0;
     }
     SkTDArray<char> data;
     size_t length = fontStream->getLength();
     if (!length) {
@@ skipping 34 matching lines @@
     return isLocal;
 }
 
 static void serialize_full(const SkTypeface* tf, SkWStream* wstream) {
     bool isLocal = false;
     SkFontDescriptor desc;
     tf->getFontDescriptor(&desc, &isLocal);
 
     // Embed font data if it's a local font.
     if (isLocal && !desc.hasFontData()) {
-        desc.setFontData(tf->createFontData());
+        desc.setFontData(tf->makeFontData());
     }
     desc.serialize(wstream);
 }
 
 static void serialize_name_only(const SkTypeface* tf, SkWStream* wstream) {
     bool isLocal = false;
     SkFontDescriptor desc;
     tf->getFontDescriptor(&desc, &isLocal);
     SkASSERT(!isLocal);
 #if WHITELIST_DEBUG
@@ skipping 51 matching lines @@
     }
     serialize_sub(fontName, tf->fontStyle(), wstream);
 }
 
 sk_sp<SkTypeface> WhitelistDeserializeTypeface(SkStream* stream) {
     SkFontDescriptor desc;
     if (!SkFontDescriptor::Deserialize(stream, &desc)) {
         return nullptr;
     }
 
-    SkFontData* data = desc.detachFontData();
+    std::unique_ptr<SkFontData> data = desc.detachFontData();
     if (data) {
-        sk_sp<SkTypeface> typeface(SkTypeface::MakeFromFontData(data));
+        sk_sp<SkTypeface> typeface(SkTypeface::MakeFromFontData(std::move(data)));
         if (typeface) {
             return typeface;
         }
     }
     const char* familyName = desc.getFamilyName();
     if (!strncmp(SUBNAME_PREFIX, familyName, sizeof(SUBNAME_PREFIX) - 1)) {
         familyName += sizeof(SUBNAME_PREFIX) - 1;
     }
     return SkTypeface::MakeFromName(familyName, desc.getStyle());
 }
@@ skipping 58 matching lines @@
         const char* fontName = whitelist[i].fFontName;
         sk_sp<SkTypeface> tf(SkTypeface::MakeFromName(fontName, SkFontStyle()));
         uint32_t checksum = compute_checksum(tf.get());
         line.printf(checksumEntry, fontName, checksum);
         sk_fwrite(line.c_str(), line.size(), file);
     }
     sk_fwrite(checksumTrailer, sizeof(checksumTrailer) - 1, file);
     sk_fclose(file);
     return true;
 }