remove dead SK_SUPPORT_LEGACY_IMAGEDECODER_CHOOSER code

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 622 matching lines @@
             // Otherwise, a jpeg image is opaque.
             bool success = bm->setInfo(SkImageInfo::Make(smpl.scaledWidth(), smpl.scaledHeight(),
                                                          colorType, alphaType));
             return success ? kSuccess : kFailure;
         } else {
             return return_failure(cinfo, *bm, "start_decompress");
         }
     }
     sampleSize = recompute_sampleSize(sampleSize, cinfo);
 
-#ifdef SK_SUPPORT_LEGACY_IMAGEDECODER_CHOOSER
-    // should we allow the Chooser (if present) to pick a colortype for us???
-    if (!this->chooseFromOneChoice(colorType, cinfo.output_width, cinfo.output_height)) {
-        return return_failure(cinfo, *bm, "chooseFromOneChoice");
-    }
-#endif
-
     SkScaledBitmapSampler sampler(cinfo.output_width, cinfo.output_height, sampleSize);
     // Assume an A8 bitmap is not opaque to avoid the check of each
     // individual pixel. It is very unlikely to be opaque, since
     // an opaque A8 bitmap would not be very interesting.
     // Otherwise, a jpeg image is opaque.
     bm->setInfo(SkImageInfo::Make(sampler.scaledWidth(), sampler.scaledHeight(),
                                   colorType, alphaType));
     if (SkImageDecoder::kDecodeBounds_Mode == mode) {
         return kSuccess;
     }
@@ skipping 786 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);