Use quiche string libraries in third_party/quic/core

gfe-relnote: n/a, no functional change
PiperOrigin-RevId: 285401547
Change-Id: Ice6d421ff7058fe2d47aee426d7634b6d403ee3f
diff --git a/quic/core/chlo_extractor_test.cc b/quic/core/chlo_extractor_test.cc
index aab0f65..d556f7a 100644
--- a/quic/core/chlo_extractor_test.cc
+++ b/quic/core/chlo_extractor_test.cc
@@ -14,6 +14,7 @@
 #include "net/third_party/quiche/src/quic/platform/api/quic_test.h"
 #include "net/third_party/quiche/src/quic/test_tools/crypto_test_utils.h"
 #include "net/third_party/quiche/src/quic/test_tools/quic_test_utils.h"
+#include "net/third_party/quiche/src/common/platform/api/quiche_string_piece.h"
 
 namespace quic {
 namespace test {
@@ -60,7 +61,7 @@
   }
 
   void MakePacket(ParsedQuicVersion version,
-                  QuicStringPiece data,
+                  quiche::QuicheStringPiece data,
                   bool munge_offset,
                   bool munge_stream_id) {
     QuicFrames frames;