Add fuzzer for HTMLPreloadScanner

third_party/WebKit/Source/core/html/parser/TextResourceDecoderForFuzzing.h

Index: third_party/WebKit/Source/core/html/parser/TextResourceDecoderForFuzzing.h
diff --git a/third_party/WebKit/Source/core/html/parser/TextResourceDecoderFuzzer.cpp b/third_party/WebKit/Source/core/html/parser/TextResourceDecoderForFuzzing.h
similarity index 63%
copy from third_party/WebKit/Source/core/html/parser/TextResourceDecoderFuzzer.cpp
copy to third_party/WebKit/Source/core/html/parser/TextResourceDecoderForFuzzing.h
index e19011319fa1df5c8461662d7fcb9db30b769cce..2b83b9fbc8e4c995437e482d68e4369b8e3d7c81 100644
--- a/third_party/WebKit/Source/core/html/parser/TextResourceDecoderFuzzer.cpp
+++ b/third_party/WebKit/Source/core/html/parser/TextResourceDecoderForFuzzing.h
@@ -2,12 +2,13 @@
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
+#ifndef TextResourceDecoderForFuzzing_h
+#define TextResourceDecoderForFuzzing_h
+
 #include "core/html/parser/TextResourceDecoder.h"
 
 #include "platform/testing/FuzzedDataProvider.h"
-#include "platform/testing/TestingPlatformSupport.h"
 #include "wtf/text/WTFString.h"
-#include <algorithm>
 
 namespace blink {
 
@@ -35,29 +36,6 @@ private:
     }
 };
 
-int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
-{
-    FuzzedDataProvider fuzzedData(data, size);
-    TextResourceDecoderForFuzzing decoder(fuzzedData);
-    CString bytes = fuzzedData.ConsumeRemainingBytes();
-    decoder.decode(bytes.data(), bytes.length());
-    decoder.flush();
-    return 0;
-}
-
 } // namespace blink
 
-extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
-{
-    return blink::LLVMFuzzerTestOneInput(data, size);
-}
-
-extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv)
-{
-    // Intentional leak - no need to do cleanup as explained in
-    // "Initialization/Cleanup" section of testing/libfuzzer/efficient_fuzzer.md
-    DEFINE_STATIC_LOCAL(blink::ScopedUnittestsEnvironmentSetup, testSetup, (*argc, *argv));
-    ALLOW_UNUSED_LOCAL(testSetup);
-
-    return 0;
-}
+#endif // TextResourceDecoderForFuzzing_h