CL generated with data from dead-code analysis using

net/quic/quic_time.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/quic_time.h"
 
 #include "base/logging.h"
 
 namespace net {
 
@@ skipping 155 matching lines @@
 }
 
 QuicWallTime QuicWallTime::Add(QuicTime::Delta delta) const {
   uint64 seconds = seconds_ + delta.ToSeconds();
   if (seconds < seconds_) {
     seconds = kuint64max;
   }
   return QuicWallTime(seconds);
 }
 
+// TODO(ianswett) Test this.
 QuicWallTime QuicWallTime::Subtract(QuicTime::Delta delta) const {
   uint64 seconds = seconds_ - delta.ToSeconds();
   if (seconds > seconds_) {
     seconds = 0;
   }
   return QuicWallTime(seconds);
 }
 
 QuicWallTime::QuicWallTime(uint64 seconds)
     : seconds_(seconds) {
 }
 
 }  // namespace net