RTC_[D]CHECK_op: Remove "u" suffix on integer constants

webrtc/modules/audio_coding/neteq/delay_peak_detector.cc

 /*
  *  Copyright (c) 2012 The WebRTC project authors. All Rights Reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 48 matching lines @@
   return max_height;
 }
 
 uint64_t DelayPeakDetector::MaxPeakPeriod() const {
   auto max_period_element = std::max_element(
       peak_history_.begin(), peak_history_.end(),
       [](Peak a, Peak b) { return a.period_ms < b.period_ms; });
   if (max_period_element == peak_history_.end()) {
     return 0;  // |peak_history_| is empty.
   }
-  RTC_DCHECK_GT(max_period_element->period_ms, 0u);
+  RTC_DCHECK_GT(max_period_element->period_ms, 0);
   return max_period_element->period_ms;
 }
 
 bool DelayPeakDetector::Update(int inter_arrival_time, int target_level) {
   if (inter_arrival_time > target_level + peak_detection_threshold_ ||
       inter_arrival_time > 2 * target_level) {
     // A delay peak is observed.
     if (!peak_period_stopwatch_) {
       // This is the first peak. Reset the period counter.
       peak_period_stopwatch_ = tick_timer_->GetNewStopwatch();
@@ skipping 29 matching lines @@
   size_t s = peak_history_.size();
   if (s >= kMinPeaksToTrigger &&
       peak_period_stopwatch_->ElapsedMs() <= 2 * MaxPeakPeriod()) {
     peak_found_ = true;
   } else {
     peak_found_ = false;
   }
   return peak_found_;
 }
 }  // namespace webrtc