SkData can allocate room for its contents in the same block

src/sfnt/SkOTUtils.cpp

 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkData.h"
 #include "SkEndian.h"
 #include "SkSFNTHeader.h"
@@ skipping 65 matching lines @@
     size_t nameTableLogicalSize = sizeof(SkOTTableName) + (namesCount * sizeof(SkOTTableName::Record)) + (fontNameLen * sizeof(wchar_t));
     size_t nameTablePhysicalSize = (nameTableLogicalSize + 3) & ~3; // Rounded up to a multiple of 4.
 
     size_t oldNameTablePhysicalSize = (SkEndian_SwapBE32(tableEntry.logicalLength) + 3) & ~3; // Rounded up to a multiple of 4.
     size_t oldNameTableOffset = SkEndian_SwapBE32(tableEntry.offset);
 
     //originalDataSize is the size of the original data without the name table.
     size_t originalDataSize = fontData->getLength() - oldNameTablePhysicalSize;
     size_t newDataSize = originalDataSize + nameTablePhysicalSize;
 
-    SK_OT_BYTE* data = static_cast<SK_OT_BYTE*>(sk_malloc_throw(newDataSize));
-    SkAutoTUnref<SkData> rewrittenFontData(SkData::NewFromMalloc(data, newDataSize));
+    SkAutoTUnref<SkData> rewrittenFontData(SkData::NewUninitialized(newDataSize));
+    SK_OT_BYTE* data = static_cast<SK_OT_BYTE*>(rewrittenFontData->writable_data());
 
     if (fontData->read(data, oldNameTableOffset) < oldNameTableOffset) {
         return NULL;
     }
     if (fontData->skip(oldNameTablePhysicalSize) < oldNameTablePhysicalSize) {
         return NULL;
     }
     if (fontData->read(data + oldNameTableOffset, originalDataSize - oldNameTableOffset) < originalDataSize - oldNameTableOffset) {
         return NULL;
     }
@@ skipping 96 matching lines @@
         fFamilyNameIter.reset(fTypes[fTypesIndex]);
     } while (true);
 }
 
 SkOTTableName::Record::NameID::Predefined::Value
 SkOTUtils::LocalizedStrings_NameTable::familyNameTypes[3] = {
     SkOTTableName::Record::NameID::Predefined::FontFamilyName,
     SkOTTableName::Record::NameID::Predefined::PreferredFamily,
     SkOTTableName::Record::NameID::Predefined::WWSFamilyName,
 };