Delete dead subset benches from nanobench

bench/BitmapRegionDecoderBench.cpp

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "BitmapRegionDecoderBench.h"
 #include "CodecBenchPriv.h"
 #include "SkBitmap.h"
 #include "SkCodecTools.h"
 #include "SkOSFile.h"
 
 BitmapRegionDecoderBench::BitmapRegionDecoderBench(const char* baseName, SkData* encoded,
         SkBitmapRegionDecoder::Strategy strategy, SkColorType colorType,
         uint32_t sampleSize, const SkIRect& subset)
     : fBRD(nullptr)
     , fData(SkRef(encoded))
     , fStrategy(strategy)
     , fColorType(colorType)
     , fSampleSize(sampleSize)
     , fSubset(subset)
 {
     // Choose a useful name for the region decoding strategy
     const char* strategyName;
     switch (strategy) {
-        case SkBitmapRegionDecoder::kOriginal_Strategy:
-            strategyName = "Original";
-            break;
         case SkBitmapRegionDecoder::kCanvas_Strategy:
             strategyName = "Canvas";
             break;
         case SkBitmapRegionDecoder::kAndroidCodec_Strategy:
             strategyName = "AndroidCodec";
             break;
         default:
             SkASSERT(false);
             strategyName = "";
             break;
@@ skipping 19 matching lines @@
 void BitmapRegionDecoderBench::onDelayedSetup() {
     fBRD.reset(SkBitmapRegionDecoder::Create(fData, fStrategy));
 }
 
 void BitmapRegionDecoderBench::onDraw(int n, SkCanvas* canvas) {
     for (int i = 0; i < n; i++) {
         SkBitmap bm;
         SkAssertResult(fBRD->decodeRegion(&bm, nullptr, fSubset, fSampleSize, fColorType, false));
     }
 }