diff --git a/quic/quartc/quartc_crypto_helpers.h b/quic/quartc/quartc_crypto_helpers.h
index cdf14a0..8f0fe96 100644
--- a/quic/quartc/quartc_crypto_helpers.h
+++ b/quic/quartc/quartc_crypto_helpers.h
@@ -17,7 +17,7 @@
 #include "net/third_party/quiche/src/quic/core/quic_versions.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_reference_counted.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_socket_address.h"
-#include "net/third_party/quiche/src/quic/platform/api/quic_string_piece.h"
+#include "net/third_party/quiche/src/common/platform/api/quiche_string_piece.h"
 
 namespace quic {
 
@@ -47,7 +47,7 @@
                 const std::string& hostname,
                 const std::string& server_config,
                 QuicTransportVersion transport_version,
-                QuicStringPiece chlo_hash,
+                quiche::QuicheStringPiece chlo_hash,
                 std::unique_ptr<Callback> callback) override;
 
   QuicReferenceCountedPointer<Chain> GetCertChain(
@@ -58,7 +58,7 @@
       const QuicSocketAddress& server_address,
       const std::string& hostname,
       uint16_t signature_algorithm,
-      QuicStringPiece in,
+      quiche::QuicheStringPiece in,
       std::unique_ptr<SignatureCallback> callback) override;
 };
 
@@ -76,7 +76,7 @@
       const uint16_t port,
       const std::string& server_config,
       QuicTransportVersion transport_version,
-      QuicStringPiece chlo_hash,
+      quiche::QuicheStringPiece chlo_hash,
       const std::vector<std::string>& certs,
       const std::string& cert_sct,
       const std::string& signature,
@@ -109,11 +109,12 @@
 };
 
 std::unique_ptr<QuicCryptoClientConfig> CreateCryptoClientConfig(
-    QuicStringPiece pre_shared_key);
+    quiche::QuicheStringPiece pre_shared_key);
 
-CryptoServerConfig CreateCryptoServerConfig(QuicRandom* random,
-                                            const QuicClock* clock,
-                                            QuicStringPiece pre_shared_key);
+CryptoServerConfig CreateCryptoServerConfig(
+    QuicRandom* random,
+    const QuicClock* clock,
+    quiche::QuicheStringPiece pre_shared_key);
 
 }  // namespace quic