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

webrtc/modules/video_coding/histogram.cc

 /*
  *  Copyright (c) 2016 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.
  */
 
 #include "webrtc/modules/video_coding/histogram.h"
 
 #include <algorithm>
 
 #include "webrtc/modules/video_coding/sequence_number_util.h"
 
 namespace webrtc {
 namespace video_coding {
 Histogram::Histogram(size_t num_buckets, size_t max_num_values) {
-  RTC_DCHECK_GT(num_buckets, 0u);
-  RTC_DCHECK_GT(max_num_values, 0u);
+  RTC_DCHECK_GT(num_buckets, 0);
+  RTC_DCHECK_GT(max_num_values, 0);
   buckets_.resize(num_buckets);
   values_.reserve(max_num_values);
   index_ = 0;
 }
 
 void Histogram::Add(size_t value) {
   value = std::min<size_t>(value, buckets_.size() - 1);
   if (index_ < values_.size()) {
     --buckets_[values_[index_]];
     RTC_DCHECK_LT(values_[index_], buckets_.size());
@@ skipping 20 matching lines @@
   }
   return bucket;
 }
 
 size_t Histogram::NumValues() const {
   return values_.size();
 }
 
 }  // namespace video_coding
 }  // namespace webrtc