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

webrtc/modules/audio_coding/neteq/tools/rtpcat.cc

 /*
  *  Copyright (c) 2011 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 10 matching lines @@
 
 int main(int argc, char* argv[]) {
   if (argc < 3) {
     printf("Concatenates multiple rtpdump files into one.\n");
     printf("Usage: rtpcat in1.rtp int2.rtp [...] out.rtp\n");
     exit(1);
   }
 
   scoped_ptr<RtpFileWriter> output(
       RtpFileWriter::Create(RtpFileWriter::kRtpDump, argv[argc - 1]));
-  CHECK(output.get() != NULL) << "Cannot open output file.";
+  RTC_CHECK(output.get() != NULL) << "Cannot open output file.";
   printf("Output RTP file: %s\n", argv[argc - 1]);
 
   for (int i = 1; i < argc - 1; i++) {
     scoped_ptr<RtpFileReader> input(
         RtpFileReader::Create(RtpFileReader::kRtpDump, argv[i]));
-    CHECK(input.get() != NULL) << "Cannot open input file " << argv[i];
+    RTC_CHECK(input.get() != NULL) << "Cannot open input file " << argv[i];
     printf("Input RTP file: %s\n", argv[i]);
 
     webrtc::test::RtpPacket packet;
     while (input->NextPacket(&packet))
-      CHECK(output->WritePacket(&packet));
+      RTC_CHECK(output->WritePacket(&packet));
   }
   return 0;
 }