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

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

Index: webrtc/modules/audio_coding/main/acm2/codec_manager.cc
diff --git a/webrtc/modules/audio_coding/main/acm2/codec_manager.cc b/webrtc/modules/audio_coding/main/acm2/codec_manager.cc
index c2e07ebd7b5b2f7c7d5933451cba19442b27cb74..39905ad5ee469b8688d979f86f45eea6dfde62fe 100644
--- a/webrtc/modules/audio_coding/main/acm2/codec_manager.cc
+++ b/webrtc/modules/audio_coding/main/acm2/codec_manager.cc
@@ -185,7 +185,7 @@ CodecManager::CodecManager()
 CodecManager::~CodecManager() = default;
 
 int CodecManager::RegisterEncoder(const CodecInst& send_codec) {
-  DCHECK(thread_checker_.CalledOnValidThread());
+  RTC_DCHECK(thread_checker_.CalledOnValidThread());
   int codec_id = IsValidSendCodec(send_codec, true);
 
   // Check for reported errors from function IsValidSendCodec().
@@ -264,7 +264,7 @@ int CodecManager::RegisterEncoder(const CodecInst& send_codec) {
   bool new_codec = true;
   if (codec_owner_.Encoder()) {
     int new_codec_id = ACMCodecDB::CodecNumber(send_codec_inst_);
-    DCHECK_GE(new_codec_id, 0);
+    RTC_DCHECK_GE(new_codec_id, 0);
     new_codec = new_codec_id != codec_id;
   }
 
@@ -276,7 +276,7 @@ int CodecManager::RegisterEncoder(const CodecInst& send_codec) {
 
   if (new_codec) {
     // This is a new codec. Register it and return.
-    DCHECK(CodecSupported(send_codec));
+    RTC_DCHECK(CodecSupported(send_codec));
     if (IsOpus(send_codec)) {
       // VAD/DTX not supported.
       dtx_enabled_ = false;
@@ -284,7 +284,7 @@ int CodecManager::RegisterEncoder(const CodecInst& send_codec) {
     codec_owner_.SetEncoders(
         send_codec, dtx_enabled_ ? CngPayloadType(send_codec.plfreq) : -1,
         vad_mode_, red_enabled_ ? RedPayloadType(send_codec.plfreq) : -1);
-    DCHECK(codec_owner_.Encoder());
+    RTC_DCHECK(codec_owner_.Encoder());
 
     codec_fec_enabled_ = codec_fec_enabled_ &&
                          codec_owner_.Encoder()->SetFec(codec_fec_enabled_);
@@ -300,7 +300,7 @@ int CodecManager::RegisterEncoder(const CodecInst& send_codec) {
     codec_owner_.SetEncoders(
         send_codec, dtx_enabled_ ? CngPayloadType(send_codec.plfreq) : -1,
         vad_mode_, red_enabled_ ? RedPayloadType(send_codec.plfreq) : -1);
-    DCHECK(codec_owner_.Encoder());
+    RTC_DCHECK(codec_owner_.Encoder());
   }
   send_codec_inst_.plfreq = send_codec.plfreq;
   send_codec_inst_.pacsize = send_codec.pacsize;
@@ -381,8 +381,8 @@ bool CodecManager::SetCopyRed(bool enable) {
 
 int CodecManager::SetVAD(bool enable, ACMVADMode mode) {
   // Sanity check of the mode.
-  DCHECK(mode == VADNormal || mode == VADLowBitrate || mode == VADAggr ||
-         mode == VADVeryAggr);
+  RTC_DCHECK(mode == VADNormal || mode == VADLowBitrate || mode == VADAggr ||
+             mode == VADVeryAggr);
 
   // Check that the send codec is mono. We don't support VAD/DTX for stereo
   // sending.
@@ -427,7 +427,7 @@ int CodecManager::SetCodecFEC(bool enable_codec_fec) {
     return -1;
   }
 
-  CHECK(codec_owner_.Encoder());
+  RTC_CHECK(codec_owner_.Encoder());
   codec_fec_enabled_ =
       codec_owner_.Encoder()->SetFec(enable_codec_fec) && enable_codec_fec;
   return codec_fec_enabled_ == enable_codec_fec ? 0 : -1;