diff --git a/quic/test_tools/failing_proof_source.h b/quic/test_tools/failing_proof_source.h
index 10f9971..36e2398 100644
--- a/quic/test_tools/failing_proof_source.h
+++ b/quic/test_tools/failing_proof_source.h
@@ -6,7 +6,7 @@
 #define QUICHE_QUIC_TEST_TOOLS_FAILING_PROOF_SOURCE_H_
 
 #include "net/third_party/quiche/src/quic/core/crypto/proof_source.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 {
 namespace test {
@@ -17,7 +17,7 @@
                 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(
@@ -28,7 +28,7 @@
       const QuicSocketAddress& server_address,
       const std::string& hostname,
       uint16_t signature_algorithm,
-      QuicStringPiece in,
+      quiche::QuicheStringPiece in,
       std::unique_ptr<SignatureCallback> callback) override;
 };