Move more internal fuzzers to public.

Change-Id: Idde75f374264666e4c54a17b1606464ad5d00d9c

tests/fuzzer/webp_info_fuzzer.cc

@@ -0,0 +1,42 @@
+// Copyright 2024 Google Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//      http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+//
+////////////////////////////////////////////////////////////////////////////////
+
+#include <cstdint>
+
+#include "src/webp/mux_types.h"
+#include "tests/fuzzer/fuzz_utils.h"
+
+// Don't do that at home!
+#define main exec_main
+#include "examples/webpinfo.c"
+#undef main
+
+void WebPInfoTest(std::string_view data) {
+  WebPInfo webp_info;
+  WebPInfoInit(&webp_info);
+  webp_info.quiet_ = 1;
+  webp_info.show_summary_ = 0;
+  webp_info.show_diagnosis_ = 0;
+  webp_info.parse_bitstream_ = 1;
+  WebPData webp_data = {reinterpret_cast<const uint8_t *>(data.data()),
+                        data.size()};
+  AnalyzeWebP(&webp_info, &webp_data);
+}
+
+FUZZ_TEST(WebPInfo, WebPInfoTest)
+    .WithDomains(
+        fuzztest::String()
+            .WithMaxSize(fuzz_utils::kMaxWebPFileSize + 1));