Use quiche string libraries in //third_party/quic/core/crypto

gfe-relnote: n/a, no functional change
PiperOrigin-RevId: 285405224
Change-Id: I4a7f6d34ee42a2929cbbff2f303ee36b5b6ceb8a
diff --git a/quic/core/crypto/tls_connection.h b/quic/core/crypto/tls_connection.h
index fd4f64b..cd9cec0 100644
--- a/quic/core/crypto/tls_connection.h
+++ b/quic/core/crypto/tls_connection.h
@@ -9,7 +9,7 @@
 
 #include "third_party/boringssl/src/include/openssl/ssl.h"
 #include "net/third_party/quiche/src/quic/core/quic_types.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 {
 
@@ -45,7 +45,8 @@
     // WriteMessage is called when there is |data| from the TLS stack ready for
     // the QUIC stack to write in a crypto frame. The data must be transmitted
     // at encryption level |level|.
-    virtual void WriteMessage(EncryptionLevel level, QuicStringPiece data) = 0;
+    virtual void WriteMessage(EncryptionLevel level,
+                              quiche::QuicheStringPiece data) = 0;
 
     // FlushFlight is called to signal that the current flight of messages have
     // all been written (via calls to WriteMessage) and can be flushed to the