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

src/ports/SkImageGeneratorWIC.cpp

 /*
  * Copyright 2016 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkImageGeneratorWIC.h"
 #include "SkIStream.h"
 #include "SkStream.h"
@@ skipping 13 matching lines @@
     HRESULT hr = CoCreateInstance(CLSID_WICImagingFactory, nullptr, CLSCTX_INPROC_SERVER,
             IID_PPV_ARGS(&imagingFactory));
     if (FAILED(hr)) {
         return nullptr;
     }
 
     // Create an IStream.
     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;
     }
 
     // Create the decoder from the stream.
     SkTScopedComPtr<IWICBitmapDecoder> decoder;
     hr = imagingFactory->CreateDecoderFromStream(iStream.get(), nullptr,
             WICDecodeMetadataCacheOnDemand, &decoder);
     if (FAILED(hr)) {
         return nullptr;
@@ skipping 121 matching lines @@
     if (FAILED(hr)) {
         return false;
     }
 
     // Set the destination pixels.
     hr = formatConverterSrc->CopyPixels(nullptr, (UINT) rowBytes, (UINT) rowBytes * info.height(),
             (BYTE*) pixels);
 
     return SUCCEEDED(hr);
 }