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

webrtc/modules/audio_processing/test/test_utils.cc

 /*
  *  Copyright (c) 2015 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 118 matching lines @@
     default:
       RTC_CHECK(false);
       return AudioProcessing::kMono;
   }
 }
 
 std::vector<Point> ParseArrayGeometry(const std::string& mic_positions) {
   const std::vector<float> values = ParseList<float>(mic_positions);
   const size_t num_mics =
       rtc::CheckedDivExact(values.size(), static_cast<size_t>(3));
-  RTC_CHECK_GT(num_mics, 0u) << "mic_positions is not large enough.";
+  RTC_CHECK_GT(num_mics, 0) << "mic_positions is not large enough.";
 
   std::vector<Point> result;
   result.reserve(num_mics);
   for (size_t i = 0; i < values.size(); i += 3) {
     result.push_back(Point(values[i + 0], values[i + 1], values[i + 2]));
   }
 
   return result;
 }
 
 std::vector<Point> ParseArrayGeometry(const std::string& mic_positions,
                                       size_t num_mics) {
   std::vector<Point> result = ParseArrayGeometry(mic_positions);
   RTC_CHECK_EQ(result.size(), num_mics)
       << "Could not parse mic_positions or incorrect number of points.";
   return result;
 }
 
 }  // namespace webrtc