Roll src/net/third_party/quiche/src/ 43a1c0f10..d31f86fa3 (8 commits)

https://quiche.googlesource.com/quiche.git/+log/43a1c0f10f28..d31f86fa34ef

$ git log 43a1c0f10..d31f86fa3 --date=short --no-merges --format='%ad %ae %s'
2019-04-26 dschinazi Add presubmit to force use of QUIC_LOG
2019-04-26 vasilvv Make SimpleRandom faster by using Chacha20 as underlying primitive.
2019-04-26 dschinazi Fixup use of gunit and gmock in QUIC
2019-04-26 fayang gfe-relnote: In QUIC, adjust cwnd when doing bandwidth resumption in BBR. Protected by gfe2_reloadable_flag_quic_fix_bbr_cwnd_in_bandwidth_resumption.
2019-04-26 danzh gfe-relnote: n/a(code not in use) a few changes to improve SimpleLinkedHashMap's portability.
2019-04-25 dschinazi Make QUIC EXPECT and ASSERT test macros reject comparison of unsigned integers

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

Change-Id: I2232f1fc7b19184f3af31e04f592c62c27952935
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1586549
Auto-Submit: David Schinazi <dschinazi@chromium.org>
Commit-Queue: David Schinazi <dschinazi@chromium.org>
Commit-Queue: Zhongyi Shi <zhongyi@chromium.org>
Reviewed-by: Zhongyi Shi <zhongyi@chromium.org>
Cr-Commit-Position: refs/heads/master@{#654701}

DEPS

@@ -272,7 +272,7 @@ 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': '43a1c0f10f2855c3cd142f500e8d19ac6d6f5a8c',
+  'quiche_revision': 'a214c1302ff123af0e2aba58faf2796e32c5c87b',
   # 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_test_impl.h

@@ -8,8 +8,9 @@
 #include "base/logging.h"
 #include "net/test/test_with_scoped_task_environment.h"
 #include "net/third_party/quiche/src/quic/platform/api/quic_flags.h"
-#include "testing/gmock/include/gmock/gmock.h"  // IWYU pragma: export
-#include "testing/gtest/include/gtest/gtest.h"  // IWYU pragma: export
+#include "testing/gmock/include/gmock/gmock.h"      // IWYU pragma: export
+#include "testing/gtest/include/gtest/gtest-spi.h"  // IWYU pragma: export
+#include "testing/gtest/include/gtest/gtest.h"      // IWYU pragma: export
 
 // When constructed, saves the current values of all QUIC flags. When
 // destructed, restores all QUIC flags to the saved values.

net/quic/quic_flags_list.h

@@ -64,6 +64,11 @@ QUIC_FLAG(double, FLAGS_quic_bbr_cwnd_gain, 2.0f)
 // reordering window for every spurious retransmit.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_fix_adaptive_time_loss, false)
 
+// If true, adjust congestion window when doing bandwidth resumption in BBR.
+QUIC_FLAG(bool,
+          FLAGS_quic_reloadable_flag_quic_fix_bbr_cwnd_in_bandwidth_resumption,
+          false)
+
 // When true, defaults to BBR congestion control instead of Cubic.
 QUIC_FLAG(bool, FLAGS_quic_reloadable_flag_quic_default_to_bbr, false)