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

tools/get_images_from_skps.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 "SkBitmap.h"
 #include "SkCodec.h"
 #include "SkCommandLineFlags.h"
@@ skipping 36 matching lines @@
         md5.write(ptr, len);
         SkMD5::Digest digest;
         md5.finish(digest);
 
         if (gSeen.contains(digest)) {
             return;
         }
         gSeen.add(digest);
 
         sk_sp<SkData> data(SkData::MakeWithoutCopy(ptr, len));
-        SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(data.get()));
+        SkAutoTDelete<SkCodec> codec(SkCodec::NewFromData(data));
         if (!codec) {
             // FIXME: This code is currently unreachable because we create an empty generator when
             //        we fail to create a codec.
             SkDebugf("Codec could not be created for %s\n", skpName.c_str());
             gSkpToUnknownCount[skpName]++;
             return;
         }
         SkString ext;
         switch (codec->getEncodedFormat()) {
             case SkEncodedFormat::kBMP_SkEncodedFormat:  ext =  "bmp"; break;
@@ skipping 95 matching lines @@
         if (!FLAGS_failuresJsonPath.isEmpty()) {
             SkDebugf("Writing failures to %s\n", FLAGS_failuresJsonPath[0]);
             SkFILEWStream stream(FLAGS_failuresJsonPath[0]);
             stream.writeText(Json::StyledWriter().write(fRoot).c_str());
             stream.flush();
         }
         return -1;
     }
     return 0;
 }