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/quic_stream.cc b/quic/core/quic_stream.cc
index 1c70f48..a440a13 100644
--- a/quic/core/quic_stream.cc
+++ b/quic/core/quic_stream.cc
@@ -15,7 +15,8 @@
 #include "net/third_party/quiche/src/quic/platform/api/quic_flag_utils.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_flags.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_logging.h"
-#include "net/third_party/quiche/src/quic/platform/api/quic_str_cat.h"
+#include "net/third_party/quiche/src/common/platform/api/quiche_str_cat.h"
+#include "net/third_party/quiche/src/common/platform/api/quiche_string_piece.h"
 
 using spdy::SpdyPriority;
 
@@ -179,7 +180,7 @@
   if (frame.offset + frame.data_length > sequencer_.close_offset()) {
     CloseConnectionWithDetails(
         QUIC_STREAM_DATA_BEYOND_CLOSE_OFFSET,
-        QuicStrCat(
+        quiche::QuicheStrCat(
             "Stream ", id_,
             " received data with offset: ", frame.offset + frame.data_length,
             ", which is beyond close offset: ", sequencer()->close_offset()));
@@ -228,10 +229,10 @@
       frame.byte_offset != sequencer()->close_offset()) {
     CloseConnectionWithDetails(
         QUIC_STREAM_MULTIPLE_OFFSET,
-        QuicStrCat("Stream ", id_,
-                   " received new final offset: ", frame.byte_offset,
-                   ", which is different from close offset: ",
-                   sequencer()->close_offset()));
+        quiche::QuicheStrCat("Stream ", id_,
+                             " received new final offset: ", frame.byte_offset,
+                             ", which is different from close offset: ",
+                             sequencer()->close_offset()));
     return;
   }
 
@@ -415,16 +416,17 @@
                   << sequencer_.DebugString();
     CloseConnectionWithDetails(
         QUIC_STREAM_LENGTH_OVERFLOW,
-        QuicStrCat("Peer sends more data than allowed on stream ", id_,
-                   ". frame: offset = ", frame.offset, ", length = ",
-                   frame.data_length, ". ", sequencer_.DebugString()));
+        quiche::QuicheStrCat("Peer sends more data than allowed on stream ",
+                             id_, ". frame: offset = ", frame.offset,
+                             ", length = ", frame.data_length, ". ",
+                             sequencer_.DebugString()));
     return;
   }
 
   if (frame.offset + frame.data_length > sequencer_.close_offset()) {
     CloseConnectionWithDetails(
         QUIC_STREAM_DATA_BEYOND_CLOSE_OFFSET,
-        QuicStrCat(
+        quiche::QuicheStrCat(
             "Stream ", id_,
             " received data with offset: ", frame.offset + frame.data_length,
             ", which is beyond close offset: ", sequencer_.close_offset()));
@@ -491,10 +493,10 @@
       frame.byte_offset != sequencer()->close_offset()) {
     CloseConnectionWithDetails(
         QUIC_STREAM_MULTIPLE_OFFSET,
-        QuicStrCat("Stream ", id_,
-                   " received new final offset: ", frame.byte_offset,
-                   ", which is different from close offset: ",
-                   sequencer_.close_offset()));
+        quiche::QuicheStrCat("Stream ", id_,
+                             " received new final offset: ", frame.byte_offset,
+                             ", which is different from close offset: ",
+                             sequencer_.close_offset()));
     return;
   }
 
@@ -564,7 +566,7 @@
 }
 
 void QuicStream::WriteOrBufferData(
-    QuicStringPiece data,
+    quiche::QuicheStringPiece data,
     bool fin,
     QuicReferenceCountedPointer<QuicAckListenerInterface> ack_listener) {
   if (data.empty() && !fin) {
@@ -599,7 +601,7 @@
       QUIC_BUG << "Write too many data via stream " << id_;
       CloseConnectionWithDetails(
           QUIC_STREAM_LENGTH_OVERFLOW,
-          QuicStrCat("Write too many data via stream ", id_));
+          quiche::QuicheStrCat("Write too many data via stream ", id_));
       return;
     }
     send_buffer_.SaveStreamData(&iov, 1, 0, data.length());
@@ -694,7 +696,7 @@
         QUIC_BUG << "Write too many data via stream " << id_;
         CloseConnectionWithDetails(
             QUIC_STREAM_LENGTH_OVERFLOW,
-            QuicStrCat("Write too many data via stream ", id_));
+            quiche::QuicheStrCat("Write too many data via stream ", id_));
         return consumed_data;
       }
       OnDataBuffered(offset, consumed_data.bytes_consumed, nullptr);