Remove sfntly_fuzzer

In preparation of sfntly's replacement by HarfBuzz, remove
sfntly_fuzzer. Any issues found by ClusterFuzz are unlikely to be
fixed.

Bug: 931719, 1009078
Change-Id: Ia0e3661afc5d92b57b16bf1e4fb4e4cc00b8783f
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1853844
Commit-Queue: Daniel Hosseinian <dhoss@chromium.org>
Commit-Queue: Abhishek Arya <inferno@chromium.org>
Reviewed-by: Lei Zhang <thestig@chromium.org>
Reviewed-by: Abhishek Arya <inferno@chromium.org>
Cr-Commit-Position: refs/heads/master@{#704804}

third_party/sfntly/BUILD.gn

@@ -2,8 +2,6 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-import("//testing/libfuzzer/fuzzer_test.gni")
-
 declare_args() {
   # Flip to true to build sfntly sample programs.
   build_sfntly_samples = false
@@ -165,17 +163,6 @@ static_library("sfntly") {
   ]
 }
 
-fuzzer_test("sfntly_fuzzer") {
-  sources = [
-    "fuzzers/subset_font_fuzzer.cc",
-  ]
-  deps = [
-    ":sfntly",
-    "//base/test:test_support",
-  ]
-  seed_corpus = "fuzzers/corpora/sfntly_fuzzer"
-}
-
 if (build_sfntly_samples) {
   source_set("sfntly_subtly") {
     sources = [

third_party/sfntly/fuzzers/DEPS

-include_rules = [
-  "+base",
-]
-

third_party/sfntly/fuzzers/subset_font_fuzzer.cc

-// Copyright 2016 The Chromimum Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include <stddef.h>
-#include <stdint.h>
-
-#include <fuzzer/FuzzedDataProvider.h>
-
-#include <string>
-#include <vector>
-
-#include "third_party/sfntly/src/cpp/src/sample/chromium/font_subsetter.h"
-
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  constexpr int kMaxFontNameSize = 128;
-  constexpr int kMaxFontSize = 50 * 1024 * 1024;
-  FuzzedDataProvider fuzzed_data(data, size);
-
-  size_t font_name_size =
-      fuzzed_data.ConsumeIntegralInRange(0, kMaxFontNameSize);
-  std::string font_name = fuzzed_data.ConsumeBytesAsString(font_name_size);
-
-  size_t font_str_size = fuzzed_data.ConsumeIntegralInRange(0, kMaxFontSize);
-  std::vector<unsigned char> font_str =
-      fuzzed_data.ConsumeBytes<unsigned char>(font_str_size);
-
-  std::vector<uint8_t> glyph_ids_str =
-      fuzzed_data.ConsumeRemainingBytes<uint8_t>();
-  const unsigned int* glyph_ids =
-      reinterpret_cast<const unsigned int*>(glyph_ids_str.data());
-  size_t glyph_ids_size = glyph_ids_str.size() *
-                          sizeof(decltype(glyph_ids_str)::value_type) /
-                          sizeof(*glyph_ids);
-
-  unsigned char* output = nullptr;
-  SfntlyWrapper::SubsetFont(font_name.c_str(), font_str.data(), font_str.size(),
-                            glyph_ids, glyph_ids_size, &output);
-  delete[] output;
-  return 0;
-}