Revert "Implementation of image decoding for bmp files, in accordance with the new API."

include/codec/SkCodec.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkCodec_DEFINED
 #define SkCodec_DEFINED
 
@@ skipping 66 matching lines @@
      *         succeeded.
      *       - if the stream did not need to be rewound.
      *      false
      *       - if the stream needed to be rewound, and rewind failed.
      *  Subclasses MUST call this function before reading the stream (e.g. in
      *  onGetPixels). If it returns false, onGetPixels should return
      *  kCouldNotRewind.
      */
     bool SK_WARN_UNUSED_RESULT rewindIfNeeded();
 
-    /*
-     *
-     * Get method for the input stream
-     *
-     */
-    SkStream* stream() {
-        return fStream.get();
-    }
-
 private:
     const SkImageInfo fInfo;
     SkAutoTDelete<SkStream> fStream;
     bool fNeedsRewind;
 };
 #endif // SkCodec_DEFINED