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

src/ports/SkImageGeneratorWIC.cpp

Index: src/ports/SkImageGeneratorWIC.cpp
diff --git a/src/ports/SkImageGeneratorWIC.cpp b/src/ports/SkImageGeneratorWIC.cpp
index f22cb5a7af871a10376304c4d2be13306ee274c5..52d1377f20cc06fb3259456bc4e6de8f9aa11328 100644
--- a/src/ports/SkImageGeneratorWIC.cpp
+++ b/src/ports/SkImageGeneratorWIC.cpp
@@ -31,7 +31,7 @@ SkImageGenerator* SkImageGeneratorWIC::NewFromEncodedWIC(SkData* data) {
     SkTScopedComPtr<IStream> iStream;
     // Note that iStream will take ownership of the new memory stream because
     // we set |deleteOnRelease| to true.
-    hr = SkIStream::CreateFromSkStream(new SkMemoryStream(data), true, &iStream);
+    hr = SkIStream::CreateFromSkStream(new SkMemoryStream(sk_ref_sp(data)), true, &iStream);
     if (FAILED(hr)) {
         return nullptr;
     }