Make SkStream *not* ref counted.

src/images/SkImageDecoder_libjpeg.cpp

 /*
  * Copyright 2007 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkImageDecoder.h"
 #include "SkImageEncoder.h"
@@ skipping 87 matching lines @@
      * to "true".  Inside a program that links to skia:
      * SK_CONF_SET("images.jpeg.suppressDecoderErrors", true); */
     if (c_suppressJPEGImageDecoderErrors) {
         cinfo->err->output_message = &do_nothing_output_message;
     }
 }
 
 #ifdef SK_BUILD_FOR_ANDROID
 class SkJPEGImageIndex {
 public:
+    // Takes ownership of stream.
     SkJPEGImageIndex(SkStreamRewindable* stream, SkImageDecoder* decoder)
         : fSrcMgr(stream, decoder)
+        , fStream(stream)
         , fInfoInitialized(false)
         , fHuffmanCreated(false)
         , fDecompressStarted(false)
         {
             SkDEBUGCODE(fReadHeaderSucceeded = false;)
         }
 
     ~SkJPEGImageIndex() {
         if (fHuffmanCreated) {
             // Set to false before calling the libjpeg function, in case
@@ skipping 79 matching lines @@
         SkASSERT(!fDecompressStarted);
         if (jpeg_start_tile_decompress(&fCInfo)) {
             fDecompressStarted = true;
             return true;
         }
         return false;
     }
 
 private:
     skjpeg_source_mgr  fSrcMgr;
+    SkAutoTDelete<SkStream> fStream;
     jpeg_decompress_struct fCInfo;
     huffman_index fHuffmanIndex;
     bool fInfoInitialized;
     bool fHuffmanCreated;
     bool fDecompressStarted;
     SkDEBUGCODE(bool fReadHeaderSucceeded;)
 };
 #endif
 
 class SkJPEGImageDecoder : public SkImageDecoder {
@@ skipping 1220 matching lines @@
     return SkImageDecoder::kUnknown_Format;
 }
 
 static SkImageEncoder* sk_libjpeg_efactory(SkImageEncoder::Type t) {
     return (SkImageEncoder::kJPEG_Type == t) ? SkNEW(SkJPEGImageEncoder) : NULL;
 }
 
 static SkImageDecoder_DecodeReg gDReg(sk_libjpeg_dfactory);
 static SkImageDecoder_FormatReg gFormatReg(get_format_jpeg);
 static SkImageEncoder_EncodeReg gEReg(sk_libjpeg_efactory);