Delete dead subset test code from dm

dm/DM.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "CrashHandler.h"
 #include "DMJsonWriter.h"
 #include "DMSrcSink.h"
@@ skipping 367 matching lines @@
 }
 
 static bool brd_color_type_supported(SkBitmapRegionDecoder::Strategy strategy,
         CodecSrc::DstColorType dstColorType) {
     switch (strategy) {
         case SkBitmapRegionDecoder::kCanvas_Strategy:
             if (CodecSrc::kGetFromCanvas_DstColorType == dstColorType) {
                 return true;
             }
             return false;
-        case SkBitmapRegionDecoder::kOriginal_Strategy:
-            switch (dstColorType) {
-                case CodecSrc::kGetFromCanvas_DstColorType:
-                case CodecSrc::kIndex8_Always_DstColorType:
-                case CodecSrc::kGrayscale_Always_DstColorType:
-                    return true;
-                default:
-                    return false;
-            }
         case SkBitmapRegionDecoder::kAndroidCodec_Strategy:
             switch (dstColorType) {
                 case CodecSrc::kGetFromCanvas_DstColorType:
                 case CodecSrc::kIndex8_Always_DstColorType:
                 case CodecSrc::kGrayscale_Always_DstColorType:
                     return true;
                 default:
                     return false;
             }
         default:
             SkASSERT(false);
             return false;
     }
 }
 
 static void push_brd_src(Path path, SkBitmapRegionDecoder::Strategy strategy,
         CodecSrc::DstColorType dstColorType, BRDSrc::Mode mode, uint32_t sampleSize) {
     SkString folder;
     switch (strategy) {
         case SkBitmapRegionDecoder::kCanvas_Strategy:
             folder.append("brd_canvas");
             break;
-        case SkBitmapRegionDecoder::kOriginal_Strategy:
-            folder.append("brd_sample");
-            break;
         case SkBitmapRegionDecoder::kAndroidCodec_Strategy:
             folder.append("brd_android_codec");
             break;
         default:
             SkASSERT(false);
             return;
     }
 
     switch (mode) {
         case BRDSrc::kFullImage_Mode:
@@ skipping 25 matching lines @@
     }
 
     BRDSrc* src = new BRDSrc(path, strategy, mode, dstColorType, sampleSize);
     push_src("image", folder, src);
 }
 
 static void push_brd_srcs(Path path) {
 
     const SkBitmapRegionDecoder::Strategy strategies[] = {
             SkBitmapRegionDecoder::kCanvas_Strategy,
-            SkBitmapRegionDecoder::kOriginal_Strategy,
             SkBitmapRegionDecoder::kAndroidCodec_Strategy,
     };
 
     // Test on a variety of sampleSizes, making sure to include:
     // - 2, 4, and 8, which are natively supported by jpeg
     // - multiples of 2 which are not divisible by 4 (analogous for 4)
     // - larger powers of two, since BRD clients generally use powers of 2
     // We will only produce output for the larger sizes on large images.
     const uint32_t sampleSizes[] = { 1, 2, 3, 4, 5, 6, 7, 8, 12, 16, 24, 32, 64 };
 
@@ skipping 74 matching lines @@
         "BMP", "GIF", "JPG", "JPEG", "PNG", "WEBP", "KTX", "ASTC", "WBMP", "ICO",
     };
     for (int i = 0; i < FLAGS_images.count(); i++) {
         const char* flag = FLAGS_images[i];
         if (sk_isdir(flag)) {
             for (size_t j = 0; j < SK_ARRAY_COUNT(exts); j++) {
                 SkOSFile::Iter it(flag, exts[j]);
                 for (SkString file; it.next(&file); ) {
                     SkString path = SkOSPath::Join(flag, file.c_str());
                     push_src("image", "decode", new ImageSrc(path)); // Decode entire image
-                    push_src("image", "subset", new ImageSrc(path, 2)); // Decode into 2x2 subsets
                     push_codec_srcs(path);
                     if (brd_supported(exts[j])) {
                         push_brd_srcs(path);
                     }
                 }
             }
         } else if (sk_exists(flag)) {
             // assume that FLAGS_images[i] is a valid image if it is a file.
             push_src("image", "decode", new ImageSrc(flag)); // Decode entire image.
-            push_src("image", "subset", new ImageSrc(flag, 2)); // Decode into 2 x 2 subsets
             push_codec_srcs(flag);
             push_brd_srcs(flag);
         }
     }
 }
 
 static GrGLStandard get_gpu_api() {
     if (FLAGS_gpuAPI.contains("gl"))   { return kGL_GrGLStandard; }
     if (FLAGS_gpuAPI.contains("gles")) { return kGLES_GrGLStandard; }
     return kNone_GrGLStandard;
@@ skipping 581 matching lines @@
     #endif  // SK_PDF_IMAGE_STATS
     return 0;
 }
 
 #if !defined(SK_BUILD_FOR_IOS)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif