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

webrtc/call/call_perf_tests.cc

 /*
  *  Copyright (c) 2013 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 531 matching lines @@
                                       ? kMaxAcceptableTransmitBitrate
                                       : (kMaxEncodeBitrateKbps +
                                          kAcceptableBitrateErrorMargin / 2)),
           num_bitrate_observations_in_range_(0) {}
 
    private:
     // TODO(holmer): Run this with a timer instead of once per packet.
     Action OnSendRtp(const uint8_t* packet, size_t length) override {
       VideoSendStream::Stats stats = send_stream_->GetStats();
       if (stats.substreams.size() > 0) {
-        RTC_DCHECK_EQ(1u, stats.substreams.size());
+        RTC_DCHECK_EQ(1, stats.substreams.size());
         int bitrate_kbps =
             stats.substreams.begin()->second.total_bitrate_bps / 1000;
         if (bitrate_kbps > min_acceptable_bitrate_ &&
             bitrate_kbps < max_acceptable_bitrate_) {
           converged_ = true;
           ++num_bitrate_observations_in_range_;
           if (num_bitrate_observations_in_range_ ==
               kNumBitrateObservationsInRange)
             observation_complete_.Set();
         }
@@ skipping 166 matching lines @@
     uint32_t last_set_bitrate_kbps_;
     VideoSendStream* send_stream_;
     test::FrameGeneratorCapturer* frame_generator_;
     VideoEncoderConfig encoder_config_;
   } test;
 
   RunBaseTest(&test);
 }
 
 }  // namespace webrtc