Add QuicStrCat.

net/quic/core/quic_headers_stream_test.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "net/quic/core/quic_headers_stream.h"
 
 #include <cstdint>
 #include <ostream>
 #include <string>
 #include <tuple>
 #include <utility>
 
 #include "base/strings/string_number_conversions.h"
 #include "net/quic/core/quic_bug_tracker.h"
 #include "net/quic/core/quic_flags.h"
 #include "net/quic/core/quic_utils.h"
 #include "net/quic/core/spdy_utils.h"
+#include "net/quic/platform/api/quic_str_cat.h"
 #include "net/quic/test_tools/quic_connection_peer.h"
 #include "net/quic/test_tools/quic_headers_stream_peer.h"
 #include "net/quic/test_tools/quic_spdy_session_peer.h"
 #include "net/quic/test_tools/quic_stream_peer.h"
 #include "net/quic/test_tools/quic_test_utils.h"
 #include "net/spdy/spdy_alt_svc_wire_format.h"
 #include "net/spdy/spdy_flags.h"
 #include "net/spdy/spdy_protocol.h"
 #include "net/spdy/spdy_test_utils.h"
 #include "net/test/gtest_util.h"
@@ skipping 742 matching lines @@
   // SETTINGS_INITIAL_WINDOW_SIZE, SETTINGS_ENABLE_PUSH and
   // SETTINGS_MAX_FRAME_SIZE.
   data.AddSetting(SETTINGS_MAX_CONCURRENT_STREAMS, 100);
   data.AddSetting(SETTINGS_INITIAL_WINDOW_SIZE, 100);
   data.AddSetting(SETTINGS_ENABLE_PUSH, 1);
   data.AddSetting(SETTINGS_MAX_FRAME_SIZE, 1250);
   SpdySerializedFrame frame(framer_->SerializeFrame(data));
   EXPECT_CALL(
       *connection_,
       CloseConnection(QUIC_INVALID_HEADERS_STREAM_DATA,
-                      "Unsupported field of HTTP/2 SETTINGS frame: " +
-                          base::IntToString(SETTINGS_MAX_CONCURRENT_STREAMS),
+                      QuicStrCat("Unsupported field of HTTP/2 SETTINGS frame: ",
+                                 SETTINGS_MAX_CONCURRENT_STREAMS),
                       _));
   EXPECT_CALL(
       *connection_,
       CloseConnection(QUIC_INVALID_HEADERS_STREAM_DATA,
-                      "Unsupported field of HTTP/2 SETTINGS frame: " +
-                          base::IntToString(SETTINGS_INITIAL_WINDOW_SIZE),
+                      QuicStrCat("Unsupported field of HTTP/2 SETTINGS frame: ",
+                                 SETTINGS_INITIAL_WINDOW_SIZE),
                       _));
   if (!FLAGS_quic_reloadable_flag_quic_enable_server_push_by_default ||
       session_.perspective() == Perspective::IS_CLIENT) {
     EXPECT_CALL(*connection_,
-                CloseConnection(QUIC_INVALID_HEADERS_STREAM_DATA,
-                                "Unsupported field of HTTP/2 SETTINGS frame: " +
-                                    base::IntToString(SETTINGS_ENABLE_PUSH),
-                                _));
+                CloseConnection(
+                    QUIC_INVALID_HEADERS_STREAM_DATA,
+                    QuicStrCat("Unsupported field of HTTP/2 SETTINGS frame: ",
+                               SETTINGS_ENABLE_PUSH),
+                    _));
   }
-  EXPECT_CALL(*connection_,
-              CloseConnection(QUIC_INVALID_HEADERS_STREAM_DATA,
-                              "Unsupported field of HTTP/2 SETTINGS frame: " +
-                                  base::IntToString(SETTINGS_MAX_FRAME_SIZE),
-                              _));
+  EXPECT_CALL(
+      *connection_,
+      CloseConnection(QUIC_INVALID_HEADERS_STREAM_DATA,
+                      QuicStrCat("Unsupported field of HTTP/2 SETTINGS frame: ",
+                                 SETTINGS_MAX_FRAME_SIZE),
+                      _));
   stream_frame_.data_buffer = frame.data();
   stream_frame_.data_length = frame.size();
   headers_stream_->OnStreamFrame(stream_frame_);
 }
 
 TEST_P(QuicHeadersStreamTest, ProcessSpdyPingFrame) {
   SpdyPingIR data(1);
   SpdySerializedFrame frame(framer_->SerializeFrame(data));
   EXPECT_CALL(*connection_, CloseConnection(QUIC_INVALID_HEADERS_STREAM_DATA,
                                             "SPDY PING frame received.", _))
@@ skipping 233 matching lines @@
   consumed_data = headers_stream_->WritevStreamData(
       id, MakeIOVector(data, &iov), offset, fin, nullptr);
 
   EXPECT_EQ(consumed_data.bytes_consumed, 0u);
   EXPECT_EQ(consumed_data.fin_consumed, false);
 }
 
 }  // namespace
 }  // namespace test
 }  // namespace net