Add RTC_ prefix to (D)CHECKs and related macros.

webrtc/modules/audio_processing/beamformer/nonlinear_beamformer_test.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 29 matching lines @@
 int main(int argc, char* argv[]) {
   google::SetUsageMessage(kUsage);
   google::ParseCommandLineFlags(&argc, &argv, true);
 
   WavReader in_file(FLAGS_i);
   WavWriter out_file(FLAGS_o, in_file.sample_rate(), 1);
 
   const size_t num_mics = in_file.num_channels();
   const std::vector<Point> array_geometry =
       ParseArrayGeometry(FLAGS_mic_positions, num_mics);
-  CHECK_EQ(array_geometry.size(), num_mics);
+  RTC_CHECK_EQ(array_geometry.size(), num_mics);
 
   NonlinearBeamformer bf(array_geometry);
   bf.Initialize(kChunkSizeMs, in_file.sample_rate());
 
   printf("Input file: %s\nChannels: %d, Sample rate: %d Hz\n\n",
          FLAGS_i.c_str(), in_file.num_channels(), in_file.sample_rate());
   printf("Output file: %s\nChannels: %d, Sample rate: %d Hz\n\n",
          FLAGS_o.c_str(), out_file.num_channels(), out_file.sample_rate());
 
   ChannelBuffer<float> in_buf(
@@ skipping 19 matching lines @@
   }
 
   return 0;
 }
 
 }  // namespace webrtc
 
 int main(int argc, char* argv[]) {
   return webrtc::main(argc, argv);
 }