Add a bunch of NSS ASN.1 fuzzers

testing/libfuzzer/fuzzers/nss/asn1_null_fuzzer.cc

Index: testing/libfuzzer/fuzzers/nss/asn1_null_fuzzer.cc
diff --git a/components/webcrypto/ec_import_key_pkcs8_fuzzer.cc b/testing/libfuzzer/fuzzers/nss/asn1_null_fuzzer.cc
similarity index 54%
copy from components/webcrypto/ec_import_key_pkcs8_fuzzer.cc
copy to testing/libfuzzer/fuzzers/nss/asn1_null_fuzzer.cc
index 154004cb22e4a093525a2dc74d497ad33499ce6b..e553bc9057d7c9d9197983a1a2b04dec74cf887f 100644
--- a/components/webcrypto/ec_import_key_pkcs8_fuzzer.cc
+++ b/testing/libfuzzer/fuzzers/nss/asn1_null_fuzzer.cc
@@ -5,11 +5,14 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include "components/webcrypto/fuzzer_support.h"
+#include "testing/libfuzzer/fuzzers/nss/asn1_fuzzer_template.h"
 
 // Entry point for LibFuzzer.
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  webcrypto::ImportEcKeyFromDerFuzzData(data, size,
-                                        blink::WebCryptoKeyFormatPkcs8);
+  NSSFuzzOneInput<SECItem, SEC_QuickDERDecodeItem>(
+      SEC_ASN1_GET(SEC_NullTemplate), data, size);
+  NSSFuzzOneInput<SECItem, SEC_ASN1DecodeItem>(
+      SEC_ASN1_GET(SEC_NullTemplate), data, size);
+
   return 0;
 }