Move shared files in net/quic/ into net/quic/core/

net/quic/quic_sustained_bandwidth_recorder.cc

-// Copyright 2014 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/quic_sustained_bandwidth_recorder.h"
-
-#include "base/logging.h"
-#include "net/quic/quic_bandwidth.h"
-#include "net/quic/quic_time.h"
-
-namespace net {
-
-QuicSustainedBandwidthRecorder::QuicSustainedBandwidthRecorder()
-    : has_estimate_(false),
-      is_recording_(false),
-      bandwidth_estimate_recorded_during_slow_start_(false),
-      bandwidth_estimate_(QuicBandwidth::Zero()),
-      max_bandwidth_estimate_(QuicBandwidth::Zero()),
-      max_bandwidth_timestamp_(0),
-      start_time_(QuicTime::Zero()) {}
-
-void QuicSustainedBandwidthRecorder::RecordEstimate(bool in_recovery,
-                                                    bool in_slow_start,
-                                                    QuicBandwidth bandwidth,
-                                                    QuicTime estimate_time,
-                                                    QuicWallTime wall_time,
-                                                    QuicTime::Delta srtt) {
-  if (in_recovery) {
-    is_recording_ = false;
-    DVLOG(1) << "Stopped recording at: " << estimate_time.ToDebuggingValue();
-    return;
-  }
-
-  if (!is_recording_) {
-    // This is the first estimate of a new recording period.
-    start_time_ = estimate_time;
-    is_recording_ = true;
-    DVLOG(1) << "Started recording at: " << start_time_.ToDebuggingValue();
-    return;
-  }
-
-  // If we have been recording for at least 3 * srtt, then record the latest
-  // bandwidth estimate as a valid sustained bandwidth estimate.
-  if (estimate_time - start_time_ >= 3 * srtt) {
-    has_estimate_ = true;
-    bandwidth_estimate_recorded_during_slow_start_ = in_slow_start;
-    bandwidth_estimate_ = bandwidth;
-    DVLOG(1) << "New sustained bandwidth estimate (KBytes/s): "
-             << bandwidth_estimate_.ToKBytesPerSecond();
-  }
-
-  // Check for an increase in max bandwidth.
-  if (bandwidth > max_bandwidth_estimate_) {
-    max_bandwidth_estimate_ = bandwidth;
-    max_bandwidth_timestamp_ = wall_time.ToUNIXSeconds();
-    DVLOG(1) << "New max bandwidth estimate (KBytes/s): "
-             << max_bandwidth_estimate_.ToKBytesPerSecond();
-  }
-}
-
-}  // namespace net