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

webrtc/modules/audio_coding/main/acm2/acm_send_test_oldapi.cc

Index: webrtc/modules/audio_coding/main/acm2/acm_send_test_oldapi.cc
diff --git a/webrtc/modules/audio_coding/main/acm2/acm_send_test_oldapi.cc b/webrtc/modules/audio_coding/main/acm2/acm_send_test_oldapi.cc
index b84be29581a8ff34eb99100dde9f26aeaa606b08..7e2a3c6b6e7ff325391f1526df62583eb4041696 100644
--- a/webrtc/modules/audio_coding/main/acm2/acm_send_test_oldapi.cc
+++ b/webrtc/modules/audio_coding/main/acm2/acm_send_test_oldapi.cc
@@ -53,8 +53,8 @@ bool AcmSendTestOldApi::RegisterCodec(const char* payload_name,
                                       int payload_type,
                                       int frame_size_samples) {
   CodecInst codec;
-  CHECK_EQ(0, AudioCodingModule::Codec(payload_name, &codec, sampling_freq_hz,
-                                       channels));
+  RTC_CHECK_EQ(0, AudioCodingModule::Codec(payload_name, &codec,
+                                           sampling_freq_hz, channels));
   codec.pltype = payload_type;
   codec.pacsize = frame_size_samples;
   codec_registered_ = (acm_->RegisterSendCodec(codec) == 0);
@@ -84,7 +84,8 @@ Packet* AcmSendTestOldApi::NextPacket() {
   // Insert audio and process until one packet is produced.
   while (clock_.TimeInMilliseconds() < test_duration_ms_) {
     clock_.AdvanceTimeMilliseconds(kBlockSizeMs);
-    CHECK(audio_source_->Read(input_block_size_samples_, input_frame_.data_));
+    RTC_CHECK(
+        audio_source_->Read(input_block_size_samples_, input_frame_.data_));
     if (input_frame_.num_channels_ > 1) {
       InputAudioFile::DuplicateInterleaved(input_frame_.data_,
                                            input_block_size_samples_,
@@ -92,7 +93,7 @@ Packet* AcmSendTestOldApi::NextPacket() {
                                            input_frame_.data_);
     }
     data_to_send_ = false;
-    CHECK_GE(acm_->Add10MsData(input_frame_), 0);
+    RTC_CHECK_GE(acm_->Add10MsData(input_frame_), 0);
     input_frame_.timestamp_ += static_cast<uint32_t>(input_block_size_samples_);
     if (data_to_send_) {
       // Encoded packet received.