Remove orphaned SkImageDecoder::Target.

include/core/SkImageDecoder.h

 /*
  * Copyright 2006 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.
  */
 
 #ifndef SkImageDecoder_DEFINED
 #define SkImageDecoder_DEFINED
 
@@ skipping 295 matching lines @@
 
         @param format On success, if format is non-null, it is set to the format
                        of the decoded buffer. On failure it is ignored.
      */
     static bool DecodeMemory(const void* buffer, size_t size, SkBitmap* bitmap, SkColorType pref,
                              Mode, Format* format = NULL);
     static bool DecodeMemory(const void* buffer, size_t size, SkBitmap* bitmap){
         return DecodeMemory(buffer, size, bitmap, kUnknown_SkColorType, kDecodePixels_Mode, NULL);
     }
 
-    /**
-     *  Struct containing information about a pixel destination.
-     */
-    struct Target {
-        /**
-         *  Pre-allocated memory.
-         */
-        void*  fAddr;
-
-        /**
-         *  Rowbytes of the allocated memory.
-         */
-        size_t fRowBytes;
-    };
-
     /** Decode the image stored in the specified SkStreamRewindable, and store the result
         in bitmap. Return true for success or false on failure.
 
         @param pref Prefer this colortype.
 
         @param format On success, if format is non-null, it is set to the format
                       of the decoded stream. On failure it is ignored.
      */
     static bool DecodeStream(SkStreamRewindable* stream, SkBitmap* bitmap, SkColorType pref, Mode,
                              Format* format = NULL);
@@ skipping 167 matching lines @@
 DECLARE_DECODER_CREATOR(PKMImageDecoder);
 DECLARE_DECODER_CREATOR(KTXImageDecoder);
 DECLARE_DECODER_CREATOR(ASTCImageDecoder);
 
 // Typedefs to make registering decoder and formatter callbacks easier.
 // These have to be defined outside SkImageDecoder. :(
 typedef SkTRegistry<SkImageDecoder*(*)(SkStreamRewindable*)>        SkImageDecoder_DecodeReg;
 typedef SkTRegistry<SkImageDecoder::Format(*)(SkStreamRewindable*)> SkImageDecoder_FormatReg;
 
 #endif