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

webrtc/modules/audio_processing/intelligibility/intelligibility_enhancer.cc

 /*
  *  Copyright (c) 2014 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 40 matching lines @@
   }
   return ret;
 }
 
 // Computes the power across ERB bands from the power spectral density |pow|.
 // Stores it in |result|.
 void MapToErbBands(const float* pow,
                    const std::vector<std::vector<float>>& filter_bank,
                    float* result) {
   for (size_t i = 0; i < filter_bank.size(); ++i) {
-    RTC_DCHECK_GT(filter_bank[i].size(), 0u);
+    RTC_DCHECK_GT(filter_bank[i].size(), 0);
     result[i] = kPowerNormalizationFactor *
                 DotProduct(filter_bank[i].data(), pow, filter_bank[i].size());
   }
 }
 
 }  // namespace
 
 IntelligibilityEnhancer::IntelligibilityEnhancer(int sample_rate_hz,
                                                  size_t num_render_channels,
                                                  size_t num_bands,
@@ skipping 301 matching lines @@
   vad_.ProcessChunk(audio_s16_.data(), chunk_length_, sample_rate_hz_);
   if (vad_.last_voice_probability() > kVoiceProbabilityThreshold) {
     chunks_since_voice_ = 0;
   } else if (chunks_since_voice_ < kSpeechOffsetDelay) {
     ++chunks_since_voice_;
   }
   return chunks_since_voice_ < kSpeechOffsetDelay;
 }
 
 void IntelligibilityEnhancer::DelayHighBands(AudioBuffer* audio) {
-  RTC_DCHECK_EQ(audio->num_bands(), high_bands_buffers_.size() + 1u);
+  RTC_DCHECK_EQ(audio->num_bands(), high_bands_buffers_.size() + 1);
   for (size_t i = 0u; i < high_bands_buffers_.size(); ++i) {
     Band band = static_cast<Band>(i + 1);
     high_bands_buffers_[i]->Delay(audio->split_channels_f(band), chunk_length_);
   }
 }
 
 }  // namespace webrtc