Remove SkAutoTUnref and SkAutoTDelete from public includes.

src/core/SkPictureData.cpp

Index: src/core/SkPictureData.cpp
diff --git a/src/core/SkPictureData.cpp b/src/core/SkPictureData.cpp
index 68789acddf0f3d48452ea23e49087ac0ad783388..cc529e3ecaa0378dfd15fdfdbd45ea538f17613c 100644
--- a/src/core/SkPictureData.cpp
+++ b/src/core/SkPictureData.cpp
@@ -268,7 +268,7 @@ void SkPictureData::serialize(SkWStream* stream,
     SkFactorySet factSet;  // buffer refs factSet, so factSet must come first.
     SkBinaryWriteBuffer buffer(SkBinaryWriteBuffer::kCrossProcess_Flag);
     buffer.setFactoryRecorder(&factSet);
-    buffer.setPixelSerializer(pixelSerializer);
+    buffer.setPixelSerializer(sk_ref_sp(pixelSerializer));
     buffer.setTypefaceRecorder(typefaceSet);
     this->flattenToBuffer(buffer);