SkData can allocate room for its contents in the same block

src/sfnt/SkOTUtils.cpp

Index: src/sfnt/SkOTUtils.cpp
diff --git a/src/sfnt/SkOTUtils.cpp b/src/sfnt/SkOTUtils.cpp
index e76d1da08c428a24122fae12185ff9f46bd9ffb7..0e009528b4dcd1aa14f70a22f611cdd684ee3088 100644
--- a/src/sfnt/SkOTUtils.cpp
+++ b/src/sfnt/SkOTUtils.cpp
@@ -83,8 +83,8 @@ SkData* SkOTUtils::RenameFont(SkStream* fontData, const char* fontName, int font
     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;