| // Copyright 2013 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 "ios/web/navigation/time_smoother.h" |
| |
| namespace web { |
| |
| // Duplicated from content/browser/web_contents/navigation_controller_impl.cc. |
| base::Time TimeSmoother::GetSmoothedTime(base::Time t) { |
| // If |t| is between the water marks, we're in a run of duplicates |
| // or just getting out of it, so increase the high-water mark to get |
| // a time that probably hasn't been used before and return it. |
| if (low_water_mark_ <= t && t <= high_water_mark_) { |
| high_water_mark_ += base::TimeDelta::FromMicroseconds(1); |
| return high_water_mark_; |
| } |
| |
| // Otherwise, we're clear of the last duplicate run, so reset the |
| // water marks. |
| low_water_mark_ = high_water_mark_ = t; |
| return t; |
| } |
| |
| } // namespace web |
