| // Copyright 2017 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 "platform/probe/PlatformProbes.h" |
| |
| namespace blink { |
| namespace probe { |
| |
| TimeTicks ProbeBase::CaptureStartTime() const { |
| if (start_time_.is_null()) |
| start_time_ = CurrentTimeTicks(); |
| return start_time_; |
| } |
| |
| TimeTicks ProbeBase::CaptureEndTime() const { |
| if (end_time_.is_null()) |
| end_time_ = CurrentTimeTicks(); |
| return end_time_; |
| } |
| |
| TimeDelta ProbeBase::Duration() const { |
| DCHECK(!start_time_.is_null()); |
| return CaptureEndTime() - start_time_; |
| } |
| |
| } // namespace probe |
| } // namespace blink |
