change SkStreams to work with sk_sp<SkData> instead of SkData*

bench/BitmapRegionDecoderBench.cpp

Index: bench/BitmapRegionDecoderBench.cpp
diff --git a/bench/BitmapRegionDecoderBench.cpp b/bench/BitmapRegionDecoderBench.cpp
index 709ad0e89d86186a6e92f84ab930af3974ce7469..dd60b18296111ebb13bf7baf300a6ecab5f6d3fd 100644
--- a/bench/BitmapRegionDecoderBench.cpp
+++ b/bench/BitmapRegionDecoderBench.cpp
@@ -36,8 +36,7 @@ bool BitmapRegionDecoderBench::isSuitableFor(Backend backend) {
 }
 
 void BitmapRegionDecoderBench::onDelayedSetup() {
-    fBRD.reset(SkBitmapRegionDecoder::Create(fData.get(),
-                                             SkBitmapRegionDecoder::kAndroidCodec_Strategy));
+    fBRD.reset(SkBitmapRegionDecoder::Create(fData, SkBitmapRegionDecoder::kAndroidCodec_Strategy));
 }
 
 void BitmapRegionDecoderBench::onDraw(int n, SkCanvas* canvas) {