Make sp variants for SkData

src/core/SkWriteBuffer.cpp

Index: src/core/SkWriteBuffer.cpp
diff --git a/src/core/SkWriteBuffer.cpp b/src/core/SkWriteBuffer.cpp
index f8b31954037fbf7fcab6ade2d84f5ba03fd976bd..f023b911d6882e2b1a4bdca1847e2105bea1d18a 100644
--- a/src/core/SkWriteBuffer.cpp
+++ b/src/core/SkWriteBuffer.cpp
@@ -186,7 +186,7 @@ void SkWriteBuffer::writeBitmap(const SkBitmap& bitmap) {
     SkPixelRef* pixelRef = bitmap.pixelRef();
     if (pixelRef) {
         // see if the pixelref already has an encoded version
-        SkAutoDataUnref existingData(pixelRef->refEncodedData());
+        SkAutoTUnref<SkData> existingData(pixelRef->refEncodedData());

[bungeman-skia, 2016/03/11 14:53:13]

Not sk_sp?

[reed1, 2016/03/11 19:23:34]

PixelRef (and PixelSerializer below) are not yet changed over to sk_sp, wasn't
driven to do this yet. It will happen (by necessity) when those APIs are
converted.

         if (existingData.get() != nullptr) {
             // Assumes that if the client did not set a serializer, they are
             // happy to get the encoded data.
@@ -201,7 +201,7 @@ void SkWriteBuffer::writeBitmap(const SkBitmap& bitmap) {
         SkAutoPixmapUnlock result;
         if (fPixelSerializer && bitmap.requestLock(&result)) {
             SkASSERT(nullptr == fBitmapHeap);
-            SkAutoDataUnref data(fPixelSerializer->encode(result.pixmap()));
+            SkAutoTUnref<SkData> data(fPixelSerializer->encode(result.pixmap()));
             if (data.get() != nullptr) {
                 // if we have to "encode" the bitmap, then we assume there is no
                 // offset to share, since we are effectively creating a new pixelref