Roll src/net/third_party/quiche/src/ a9b70f03e..fc51e436c (4 commits)

https://quiche.googlesource.com/quiche.git/+log/a9b70f03e7a9..fc51e436c68c

$ git log a9b70f03e..fc51e436c --date=short --no-merges --format='%ad %ae %s'
2020-12-11 bnc Remove unused SpdyFrameType::EXTENSION.
2020-12-11 vasilvv Delete QuicheStrCat().
2020-12-10 ianswett Add a QUIC protocol flag to enable or disable defer_send_in_response_to_packets in GFE and uStreamer.
2020-12-09 vasilvv Replace QuicStrAppend() with absl::StrAppend().

Created with:
  roll-dep src/net/third_party/quiche/src src/third_party/quic_trace/src

R=bnc@chromium.org, dschinazi@chromium.org

Change-Id: I71681c7a63c5c4f8afa8d015671dda0dc6320018
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2587076
Commit-Queue: Bin Wu <wub@chromium.org>
Commit-Queue: Bence Béky <bnc@chromium.org>
Auto-Submit: Bin Wu <wub@chromium.org>
Reviewed-by: Bence Béky <bnc@chromium.org>
Cr-Commit-Position: refs/heads/master@{#836153}

DEPS

@@ -330,7 +330,7 @@ vars = {
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling feed
   # and whatever else without interference from each other.
-  'quiche_revision': 'a9b70f03e7a9de45e38417c72839c47f5eb5692c',
+  'quiche_revision': 'fc51e436c68ca83b495da0cc32996bd0dfc6dfe7',
   # Three lines of non-changing comments so that
   # the commit queue can handle CLs rolling ios_webkit
   # and whatever else without interference from each other.

net/quic/platform/impl/quic_string_utils_impl.h

-// Copyright 2017 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.
-
-#ifndef NET_QUIC_PLATFORM_IMPL_QUIC_STRING_UTILS_IMPL_H_
-#define NET_QUIC_PLATFORM_IMPL_QUIC_STRING_UTILS_IMPL_H_
-
-#include <utility>
-
-#include "base/strings/string_number_conversions.h"
-#include "base/strings/string_util.h"
-#include "base/strings/stringprintf.h"
-#include "net/base/hex_utils.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"
-
-namespace quic {
-
-template <typename... Args>
-inline void QuicStrAppendImpl(std::string* output, const Args&... args) {
-  output->append(quiche::QuicheStrCatImpl(args...));
-}
-
-}  // namespace quic
-
-#endif  // NET_QUIC_PLATFORM_IMPL_QUIC_STRING_UTILS_IMPL_H_

net/third_party/quiche/BUILD.gn

@@ -549,7 +549,6 @@ source_set("quiche") {
       "src/quic/platform/api/quic_socket_address.cc",
       "src/quic/platform/api/quic_socket_address.h",
       "src/quic/platform/api/quic_stack_trace.h",
-      "src/quic/platform/api/quic_string_utils.h",
       "src/quic/platform/api/quic_thread.h",
       "src/quic/platform/api/quic_uint128.h",
       "src/quic/quic_transport/quic_transport_client_session.cc",
@@ -1163,7 +1162,10 @@ if (!is_ios) {
 source_set("quiche_tests") {
   testonly = true
   sources = [
+    "src/common/platform/api/quiche_text_utils_test.cc",
+    "src/common/platform/api/quiche_time_utils_test.cc",
     "src/common/quiche_data_writer_test.cc",
+    "src/common/quiche_endian_test.cc",
     "src/common/simple_linked_hash_map_test.cc",
     "src/http2/decoder/decode_buffer_test.cc",
     "src/http2/decoder/decode_http2_structures_test.cc",
@@ -1241,13 +1243,7 @@ source_set("quiche_tests") {
     "src/http2/tools/random_util.cc",
     "src/http2/tools/random_util.h",
     "src/quic/core/congestion_control/bandwidth_sampler_test.cc",
-
-    # TODO(rch): Re-enable once the SLOW_TEST annotation is added.
-    # "src/quic/core/congestion_control/bbr2_simulator_test.cc",
-    "src/common/platform/api/quiche_str_cat_test.cc",
-    "src/common/platform/api/quiche_text_utils_test.cc",
-    "src/common/platform/api/quiche_time_utils_test.cc",
-    "src/common/quiche_endian_test.cc",
+    "src/quic/core/congestion_control/bbr2_simulator_test.cc",
     "src/quic/core/congestion_control/bbr_sender_test.cc",
     "src/quic/core/congestion_control/cubic_bytes_test.cc",
     "src/quic/core/congestion_control/general_loss_algorithm_test.cc",
@@ -1388,7 +1384,6 @@ source_set("quiche_tests") {
     "src/quic/platform/api/quic_mem_slice_test.cc",
     "src/quic/platform/api/quic_reference_counted_test.cc",
     "src/quic/platform/api/quic_socket_address_test.cc",
-    "src/quic/platform/api/quic_string_utils_test.cc",
     "src/quic/quic_transport/quic_transport_client_session_test.cc",
     "src/quic/quic_transport/quic_transport_integration_test.cc",
     "src/quic/quic_transport/quic_transport_server_session_test.cc",