Move quic_flags.h from net/quic/core to net/quic/platform and split into api and impl.

net/quic/core/congestion_control/bbr_sender.cc

 // Copyright 2016 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/congestion_control/bbr_sender.h"
 
 #include <algorithm>
 #include <sstream>
 
 #include "net/quic/core/congestion_control/rtt_stats.h"
 #include "net/quic/core/crypto/crypto_protocol.h"
 #include "net/quic/core/proto/cached_network_parameters.pb.h"
-#include "net/quic/core/quic_flags.h"
 #include "net/quic/platform/api/quic_bug_tracker.h"
 #include "net/quic/platform/api/quic_flag_utils.h"
+#include "net/quic/platform/api/quic_flags.h"
 #include "net/quic/platform/api/quic_logging.h"
 
 namespace net {
 
 namespace {
 // Constants based on TCP defaults.
 const QuicByteCount kMaxSegmentSize = kDefaultTCPMSS;
 // The minimum CWND to ensure delayed acks don't reduce bandwidth measurements.
 // Does not inflate the pacing rate.
 const QuicByteCount kMinimumCongestionWindow = 4 * kMaxSegmentSize;
@@ skipping 60 matching lines @@
       min_rtt_(QuicTime::Delta::Zero()),
       min_rtt_timestamp_(QuicTime::Zero()),
       congestion_window_(initial_tcp_congestion_window * kDefaultTCPMSS),
       initial_congestion_window_(initial_tcp_congestion_window *
                                  kDefaultTCPMSS),
       max_congestion_window_(max_tcp_congestion_window * kDefaultTCPMSS),
       pacing_rate_(QuicBandwidth::Zero()),
       pacing_gain_(1),
       congestion_window_gain_(1),
       congestion_window_gain_constant_(
-          static_cast<float>(base::GetFlag(FLAGS_quic_bbr_cwnd_gain))),
-      rtt_variance_weight_(static_cast<float>(
-          base::GetFlag(FLAGS_quic_bbr_rtt_variation_weight))),
+          static_cast<float>(GetQuicFlag(FLAGS_quic_bbr_cwnd_gain))),
+      rtt_variance_weight_(
+          static_cast<float>(GetQuicFlag(FLAGS_quic_bbr_rtt_variation_weight))),
       num_startup_rtts_(kRoundTripsWithoutGrowthBeforeExitingStartup),
       cycle_current_offset_(0),
       last_cycle_start_(QuicTime::Zero()),
       is_at_full_bandwidth_(false),
       rounds_without_bandwidth_gain_(0),
       bandwidth_at_last_round_(QuicBandwidth::Zero()),
       exiting_quiescence_(false),
       exit_probe_rtt_at_(QuicTime::Zero()),
       probe_rtt_round_passed_(false),
       last_sample_is_app_limited_(false),
@@ skipping 580 matching lines @@
   os << "Minimum RTT timestamp: " << state.min_rtt_timestamp.ToDebuggingValue()
      << std::endl;
 
   os << "Last sample is app-limited: "
      << (state.last_sample_is_app_limited ? "yes" : "no");
 
   return os;
 }
 
 }  // namespace net