Stop testing SkImageDecoder in DM/nanobench

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 501 matching lines @@
     };
 
     for (uint32_t i = 0; i < SK_ARRAY_COUNT(exts); i++) {
         if (0 == strcmp(exts[i], ext)) {
             return true;
         }
     }
     return false;
 }
 
-static bool is_raw(const SkString& file) {
-    static const char* const exts[] = {
-        "arw", "cr2", "dng", "nef", "nrw", "orf", "raf", "rw2", "pef", "srw",
-        "ARW", "CR2", "DNG", "NEF", "NRW", "ORF", "RAF", "RW2", "PEF", "SRW",
-    };
-
-    for (uint32_t i = 0; i < SK_ARRAY_COUNT(exts); i++) {
-        if (file.endsWith(exts[i])) {
-            return true;
-        }
-    }
-    return false;
-}
-
 static void gather_srcs() {
     for (const skiagm::GMRegistry* r = skiagm::GMRegistry::Head(); r; r = r->next()) {
         push_src("gm", "", new GMSrc(r->factory()));
     }
     for (int i = 0; i < FLAGS_skps.count(); i++) {
         const char* path = FLAGS_skps[i];
         if (sk_isdir(path)) {
             SkOSFile::Iter it(path, "skp");
             for (SkString file; it.next(&file); ) {
                 push_src("skp", "", new SKPSrc(SkOSPath::Join(path, file.c_str())));
             }
         } else {
             push_src("skp", "", new SKPSrc(path));
         }
     }
     static const char* const exts[] = {
         "bmp", "gif", "jpg", "jpeg", "png", "webp", "ktx", "astc", "wbmp", "ico",
         "BMP", "GIF", "JPG", "JPEG", "PNG", "WEBP", "KTX", "ASTC", "WBMP", "ICO",
         "arw", "cr2", "dng", "nef", "nrw", "orf", "raf", "rw2", "pef", "srw",
         "ARW", "CR2", "DNG", "NEF", "NRW", "ORF", "RAF", "RW2", "PEF", "SRW",
     };
     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());
-                    if (!is_raw(file)) {
-                        push_src("image", "decode", new ImageSrc(path)); // Decode entire image
-                    }
                     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.
-            if (!is_raw(SkString(flag))) {
-                push_src("image", "decode", new ImageSrc(flag)); // Decode entire image.
-            }
             push_codec_srcs(flag);
             push_brd_srcs(flag);
         }
     }
 }
 
 static void push_sink(const SkCommandLineConfig& config, Sink* s) {
     SkAutoTDelete<Sink> sink(s);
 
     // Try a simple Src as a canary.  If it fails, skip this sink.
@@ skipping 693 matching lines @@
                                                            Reporter* reporter,
                                                            GrContextFactory* factory);
 } // namespace skiatest
 
 #if !defined(SK_BUILD_FOR_IOS)
 int main(int argc, char** argv) {
     SkCommandLineFlags::Parse(argc, argv);
     return dm_main();
 }
 #endif