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

webrtc/modules/audio_coding/codecs/red/audio_encoder_copy_red.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 53 matching lines @@
       speech_encoder_->Encode(rtp_timestamp, audio, encoded);
 
   RTC_CHECK(info.redundant.empty()) << "Cannot use nested redundant encoders.";
   RTC_DCHECK_EQ(encoded->size() - primary_offset, info.encoded_bytes);
 
   if (info.encoded_bytes > 0) {
     // |info| will be implicitly cast to an EncodedInfoLeaf struct, effectively
     // discarding the (empty) vector of redundant information. This is
     // intentional.
     info.redundant.push_back(info);
-    RTC_DCHECK_EQ(info.redundant.size(), 1u);
+    RTC_DCHECK_EQ(info.redundant.size(), 1);
     if (secondary_info_.encoded_bytes > 0) {
       encoded->AppendData(secondary_encoded_);
       info.redundant.push_back(secondary_info_);
-      RTC_DCHECK_EQ(info.redundant.size(), 2u);
+      RTC_DCHECK_EQ(info.redundant.size(), 2);
     }
     // Save primary to secondary.
     secondary_encoded_.SetData(encoded->data() + primary_offset,
                                info.encoded_bytes);
     secondary_info_ = info;
     RTC_DCHECK_EQ(info.speech, info.redundant[0].speech);
   }
   // Update main EncodedInfo.
   info.payload_type = red_payload_type_;
   info.encoded_bytes = 0;
@@ skipping 33 matching lines @@
 void AudioEncoderCopyRed::SetTargetBitrate(int bits_per_second) {
   speech_encoder_->SetTargetBitrate(bits_per_second);
 }
 
 rtc::ArrayView<std::unique_ptr<AudioEncoder>>
 AudioEncoderCopyRed::ReclaimContainedEncoders() {
   return rtc::ArrayView<std::unique_ptr<AudioEncoder>>(&speech_encoder_, 1);
 }
 
 }  // namespace webrtc