[webcrypto] Add support for import/export of "raw" formatted EC keys.

components/webcrypto/ec_import_key_raw_fuzzer.cc

Index: components/webcrypto/ec_import_key_raw_fuzzer.cc
diff --git a/components/webcrypto/ec_import_key_spki_fuzzer.cc b/components/webcrypto/ec_import_key_raw_fuzzer.cc
similarity index 75%
copy from components/webcrypto/ec_import_key_spki_fuzzer.cc
copy to components/webcrypto/ec_import_key_raw_fuzzer.cc
index 7f16cfcacf91aa5b2922a29de23aebb45c5c6aeb..eeb1a555edc83ad33bbe3f783fc3843b033d448e 100644
--- a/components/webcrypto/ec_import_key_spki_fuzzer.cc
+++ b/components/webcrypto/ec_import_key_raw_fuzzer.cc
@@ -9,7 +9,7 @@
 
 // Entry point for LibFuzzer.
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  webcrypto::ImportEcKeyFromDerFuzzData(data, size,
-                                        blink::WebCryptoKeyFormatSpki);
+  webcrypto::ImportEcKeyFromRawFuzzData(data, size);
+
   return 0;
 }