Revert 204046 "Land Recent QUIC changes."

trunk/src/net/quic/congestion_control/quic_congestion_manager.cc

 // Copyright (c) 2012 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/congestion_control/quic_congestion_manager.h"
 
 #include <algorithm>
 #include <map>
 
 #include "base/stl_util.h"
@@ skipping 44 matching lines @@
       new class SendAlgorithmInterface::SentPacket(bytes, sent_time);
   pending_packets_[sequence_number] = bytes;
   CleanupPacketHistory();
 }
 
 // Called when a packet is timed out.
 void QuicCongestionManager::AbandoningPacket(
     QuicPacketSequenceNumber sequence_number) {
   PendingPacketsMap::iterator it = pending_packets_.find(sequence_number);
   if (it != pending_packets_.end()) {
-    // Shouldn't this report loss as well? (decrease cgst window).
     send_algorithm_->AbandoningPacket(sequence_number, it->second);
     pending_packets_.erase(it);
   }
 }
 
 void QuicCongestionManager::OnIncomingQuicCongestionFeedbackFrame(
     const QuicCongestionFeedbackFrame& frame, QuicTime feedback_receive_time) {
   send_algorithm_->OnIncomingQuicCongestionFeedbackFrame(
       frame, feedback_receive_time, packet_history_map_);
 }
@@ skipping 109 matching lines @@
     if (now.Subtract(history_it->second->SendTimestamp()) <= kHistoryPeriod) {
       return;
     }
     delete history_it->second;
     packet_history_map_.erase(history_it);
     history_it = packet_history_map_.begin();
   }
 }
 
 }  // namespace net