Add QuicStringPiece which is actually StringPiece.

net/quic/core/quic_crypto_framer_parse_message_fuzzer.cc

Index: net/quic/core/quic_crypto_framer_parse_message_fuzzer.cc
diff --git a/net/quic/core/quic_crypto_framer_parse_message_fuzzer.cc b/net/quic/core/quic_crypto_framer_parse_message_fuzzer.cc
index 811c0598cc4ac9082d26b21d890cdde602a5f484..ca9d8d2d3df05cd5834b5b523766d4dc46bec78e 100644
--- a/net/quic/core/quic_crypto_framer_parse_message_fuzzer.cc
+++ b/net/quic/core/quic_crypto_framer_parse_message_fuzzer.cc
@@ -5,12 +5,12 @@
 #include <stddef.h>
 #include <stdint.h>
 
-#include "base/strings/string_piece.h"
 #include "net/quic/core/crypto/crypto_framer.h"
+#include "net/quic/platform/api/quic_string_piece.h"
 
 // Entry point for LibFuzzer.
 extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
-  base::StringPiece crypto_input(reinterpret_cast<const char*>(data), size);
+  net::QuicStringPiece crypto_input(reinterpret_cast<const char*>(data), size);
   std::unique_ptr<net::CryptoHandshakeMessage> handshake_message(
       net::CryptoFramer::ParseMessage(crypto_input));