Delete use of STR_CASE_CMP, replaced with absl::EqualsIgnoreCase.

Bug: webrtc:5876
Change-Id: Ica2d47ca45b8ef01a548d8dbe31dbed740a0ebda
Reviewed-on: https://webrtc-review.googlesource.com/c/106820
Reviewed-by: Karl Wiberg <kwiberg@webrtc.org>
Commit-Queue: Niels Moller <nisse@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#25306}
diff --git a/modules/audio_coding/acm2/acm_codec_database.cc b/modules/audio_coding/acm2/acm_codec_database.cc
index 311af2d..e109cc7 100644
--- a/modules/audio_coding/acm2/acm_codec_database.cc
+++ b/modules/audio_coding/acm2/acm_codec_database.cc
@@ -17,6 +17,7 @@
 // references, where appropriate.
 #include "modules/audio_coding/acm2/acm_codec_database.h"
 
+#include "absl/strings/match.h"
 #include "rtc_base/checks.h"
 
 #if ((defined WEBRTC_CODEC_ISAC) && (defined WEBRTC_CODEC_ISACFX))
@@ -239,12 +240,12 @@
   }
 
   // Comfort Noise is special case, packet-size & rate is not checked.
-  if (STR_CASE_CMP(database_[codec_id].plname, "CN") == 0) {
+  if (absl::EqualsIgnoreCase(database_[codec_id].plname, "CN")) {
     return codec_id;
   }
 
   // RED is special case, packet-size & rate is not checked.
-  if (STR_CASE_CMP(database_[codec_id].plname, "red") == 0) {
+  if (absl::EqualsIgnoreCase(database_[codec_id].plname, "red")) {
     return codec_id;
   }
 
@@ -272,12 +273,12 @@
 
   // Check the validity of rate. Codecs with multiple rates have their own
   // function for this.
-  if (STR_CASE_CMP("isac", codec_inst.plname) == 0) {
+  if (absl::EqualsIgnoreCase("isac", codec_inst.plname)) {
     return IsISACRateValid(codec_inst.rate) ? codec_id : kInvalidRate;
-  } else if (STR_CASE_CMP("ilbc", codec_inst.plname) == 0) {
+  } else if (absl::EqualsIgnoreCase("ilbc", codec_inst.plname)) {
     return IsILBCRateValid(codec_inst.rate, codec_inst.pacsize) ? codec_id
                                                                 : kInvalidRate;
-  } else if (STR_CASE_CMP("opus", codec_inst.plname) == 0) {
+  } else if (absl::EqualsIgnoreCase("opus", codec_inst.plname)) {
     return IsOpusRateValid(codec_inst.rate) ? codec_id : kInvalidRate;
   }
 
@@ -304,10 +305,10 @@
     // Payload name, sampling frequency and number of channels need to match.
     // NOTE! If |frequency| is -1, the frequency is not applicable, and is
     // always treated as true, like for RED.
-    name_match = (STR_CASE_CMP(ci.plname, payload_name) == 0);
+    name_match = absl::EqualsIgnoreCase(ci.plname, payload_name);
     frequency_match = (frequency == ci.plfreq) || (frequency == -1);
     // The number of channels must match for all codecs but Opus.
-    if (STR_CASE_CMP(payload_name, "opus") != 0) {
+    if (!absl::EqualsIgnoreCase(payload_name, "opus")) {
       channels_match = (channels == ci.channels);
     } else {
       // For opus we just check that number of channels is valid.
diff --git a/modules/audio_coding/acm2/acm_receive_test.cc b/modules/audio_coding/acm2/acm_receive_test.cc
index 2d7f296..c149ec1 100644
--- a/modules/audio_coding/acm2/acm_receive_test.cc
+++ b/modules/audio_coding/acm2/acm_receive_test.cc
@@ -14,6 +14,7 @@
 
 #include <memory>
 
+#include "absl/strings/match.h"
 #include "api/audio_codecs/builtin_audio_decoder_factory.h"
 #include "modules/audio_coding/codecs/audio_format_conversion.h"
 #include "modules/audio_coding/include/audio_coding_module.h"
@@ -30,11 +31,11 @@
 // Returns true if the codec should be registered, otherwise false. Changes
 // the number of channels for the Opus codec to always be 1.
 bool ModifyAndUseThisCodec(CodecInst* codec_param) {
-  if (STR_CASE_CMP(codec_param->plname, "CN") == 0 &&
+  if (absl::EqualsIgnoreCase(codec_param->plname, "CN") &&
       codec_param->plfreq == 48000)
     return false;  // Skip 48 kHz comfort noise.
 
-  if (STR_CASE_CMP(codec_param->plname, "telephone-event") == 0)
+  if (absl::EqualsIgnoreCase(codec_param->plname, "telephone-event"))
     return false;  // Skip DTFM.
 
   return true;
@@ -65,39 +66,43 @@
     return false;  // Don't use non-mono codecs.
 
   // Re-map pltypes to those used in the NetEq test files.
-  if (STR_CASE_CMP(plname, "PCMU") == 0 && plfreq == 8000) {
+  if (absl::EqualsIgnoreCase(plname, "PCMU") && plfreq == 8000) {
     *pltype = 0;
-  } else if (STR_CASE_CMP(plname, "PCMA") == 0 && plfreq == 8000) {
+  } else if (absl::EqualsIgnoreCase(plname, "PCMA") && plfreq == 8000) {
     *pltype = 8;
-  } else if (STR_CASE_CMP(plname, "CN") == 0 && plfreq == 8000) {
+  } else if (absl::EqualsIgnoreCase(plname, "CN") && plfreq == 8000) {
     *pltype = 13;
-  } else if (STR_CASE_CMP(plname, "CN") == 0 && plfreq == 16000) {
+  } else if (absl::EqualsIgnoreCase(plname, "CN") && plfreq == 16000) {
     *pltype = 98;
-  } else if (STR_CASE_CMP(plname, "CN") == 0 && plfreq == 32000) {
+  } else if (absl::EqualsIgnoreCase(plname, "CN") && plfreq == 32000) {
     *pltype = 99;
-  } else if (STR_CASE_CMP(plname, "ILBC") == 0) {
+  } else if (absl::EqualsIgnoreCase(plname, "ILBC")) {
     *pltype = 102;
-  } else if (STR_CASE_CMP(plname, "ISAC") == 0 && plfreq == 16000) {
+  } else if (absl::EqualsIgnoreCase(plname, "ISAC") && plfreq == 16000) {
     *pltype = 103;
-  } else if (STR_CASE_CMP(plname, "ISAC") == 0 && plfreq == 32000) {
+  } else if (absl::EqualsIgnoreCase(plname, "ISAC") && plfreq == 32000) {
     *pltype = 104;
-  } else if (STR_CASE_CMP(plname, "telephone-event") == 0 && plfreq == 8000) {
+  } else if (absl::EqualsIgnoreCase(plname, "telephone-event") &&
+             plfreq == 8000) {
     *pltype = 106;
-  } else if (STR_CASE_CMP(plname, "telephone-event") == 0 && plfreq == 16000) {
+  } else if (absl::EqualsIgnoreCase(plname, "telephone-event") &&
+             plfreq == 16000) {
     *pltype = 114;
-  } else if (STR_CASE_CMP(plname, "telephone-event") == 0 && plfreq == 32000) {
+  } else if (absl::EqualsIgnoreCase(plname, "telephone-event") &&
+             plfreq == 32000) {
     *pltype = 115;
-  } else if (STR_CASE_CMP(plname, "telephone-event") == 0 && plfreq == 48000) {
+  } else if (absl::EqualsIgnoreCase(plname, "telephone-event") &&
+             plfreq == 48000) {
     *pltype = 116;
-  } else if (STR_CASE_CMP(plname, "red") == 0) {
+  } else if (absl::EqualsIgnoreCase(plname, "red")) {
     *pltype = 117;
-  } else if (STR_CASE_CMP(plname, "L16") == 0 && plfreq == 8000) {
+  } else if (absl::EqualsIgnoreCase(plname, "L16") && plfreq == 8000) {
     *pltype = 93;
-  } else if (STR_CASE_CMP(plname, "L16") == 0 && plfreq == 16000) {
+  } else if (absl::EqualsIgnoreCase(plname, "L16") && plfreq == 16000) {
     *pltype = 94;
-  } else if (STR_CASE_CMP(plname, "L16") == 0 && plfreq == 32000) {
+  } else if (absl::EqualsIgnoreCase(plname, "L16") && plfreq == 32000) {
     *pltype = 95;
-  } else if (STR_CASE_CMP(plname, "G722") == 0) {
+  } else if (absl::EqualsIgnoreCase(plname, "G722")) {
     *pltype = 9;
   } else {
     // Don't use any other codecs.
diff --git a/modules/audio_coding/acm2/acm_receiver.cc b/modules/audio_coding/acm2/acm_receiver.cc
index f631746..93fa27c 100644
--- a/modules/audio_coding/acm2/acm_receiver.cc
+++ b/modules/audio_coding/acm2/acm_receiver.cc
@@ -15,9 +15,9 @@
 #include <algorithm>  // sort
 #include <vector>
 
+#include "absl/strings/match.h"
 #include "api/audio_codecs/audio_decoder.h"
 #include "common_audio/signal_processing/include/signal_processing_library.h"
-#include "common_types.h"  // NOLINT(build/include)
 #include "modules/audio_coding/acm2/acm_resampler.h"
 #include "modules/audio_coding/acm2/call_statistics.h"
 #include "modules/audio_coding/acm2/rent_a_codec.h"
@@ -92,7 +92,7 @@
     }
     receive_timestamp = NowInTimestamp(ci->plfreq);
 
-    if (STR_CASE_CMP(ci->plname, "cn") == 0) {
+    if (absl::EqualsIgnoreCase(ci->plname, "cn")) {
       if (last_audio_decoder_ && last_audio_decoder_->channels > 1) {
         // This is a CNG and the audio codec is not mono, so skip pushing in
         // packets into NetEq.
@@ -391,7 +391,7 @@
     uint8_t first_payload_byte) const {
   const absl::optional<CodecInst> ci =
       neteq_->GetDecoder(rtp_header.payloadType);
-  if (ci && STR_CASE_CMP(ci->plname, "red") == 0) {
+  if (ci && absl::EqualsIgnoreCase(ci->plname, "red")) {
     // This is a RED packet. Get the payload of the audio codec.
     return neteq_->GetDecoder(first_payload_byte & 0x7f);
   } else {
diff --git a/modules/audio_coding/acm2/audio_coding_module.cc b/modules/audio_coding/acm2/audio_coding_module.cc
index 60afeb6..d675203 100644
--- a/modules/audio_coding/acm2/audio_coding_module.cc
+++ b/modules/audio_coding/acm2/audio_coding_module.cc
@@ -12,6 +12,7 @@
 
 #include <algorithm>
 
+#include "absl/strings/match.h"
 #include "modules/audio_coding/acm2/acm_receiver.h"
 #include "modules/audio_coding/acm2/acm_resampler.h"
 #include "modules/audio_coding/acm2/codec_manager.h"
@@ -990,7 +991,7 @@
   }
 
   AudioDecoder* isac_decoder = nullptr;
-  if (STR_CASE_CMP(codec.plname, "isac") == 0) {
+  if (absl::EqualsIgnoreCase(codec.plname, "isac")) {
     std::unique_ptr<AudioDecoder>& saved_isac_decoder =
         codec.plfreq == 16000 ? isac_decoder_16k_ : isac_decoder_32k_;
     if (!saved_isac_decoder) {
diff --git a/modules/audio_coding/acm2/codec_manager.cc b/modules/audio_coding/acm2/codec_manager.cc
index f29e0f1..5094e21 100644
--- a/modules/audio_coding/acm2/codec_manager.cc
+++ b/modules/audio_coding/acm2/codec_manager.cc
@@ -10,6 +10,7 @@
 
 #include "modules/audio_coding/acm2/codec_manager.h"
 
+#include "absl/strings/match.h"
 #include "rtc_base/checks.h"
 //#include "rtc_base/format_macros.h"
 #include "modules/audio_coding/acm2/rent_a_codec.h"
@@ -35,7 +36,7 @@
   }
 
   // Telephone-event cannot be a send codec.
-  if (!STR_CASE_CMP(send_codec.plname, "telephone-event")) {
+  if (absl::EqualsIgnoreCase(send_codec.plname, "telephone-event")) {
     RTC_LOG(LS_ERROR) << "telephone-event cannot be a send codec";
     return -1;
   }
@@ -53,7 +54,7 @@
 bool IsOpus(const CodecInst& codec) {
   return
 #ifdef WEBRTC_CODEC_OPUS
-      !STR_CASE_CMP(codec.plname, "opus") ||
+      absl::EqualsIgnoreCase(codec.plname, "opus") ||
 #endif
       false;
 }
diff --git a/modules/audio_coding/acm2/rent_a_codec.cc b/modules/audio_coding/acm2/rent_a_codec.cc
index 0a9ce11..b904eb8 100644
--- a/modules/audio_coding/acm2/rent_a_codec.cc
+++ b/modules/audio_coding/acm2/rent_a_codec.cc
@@ -13,10 +13,11 @@
 #include <memory>
 #include <utility>
 
+#include "absl/strings/match.h"
 #include "modules/audio_coding/codecs/cng/audio_encoder_cng.h"
 #include "modules/audio_coding/codecs/g711/audio_encoder_pcm.h"
-#include "rtc_base/logging.h"
 #include "modules/audio_coding/codecs/g722/audio_encoder_g722.h"
+#include "rtc_base/logging.h"
 #ifdef WEBRTC_CODEC_ILBC
 #include "modules/audio_coding/codecs/ilbc/audio_encoder_ilbc.h"  // nogncheck
 #endif
@@ -109,7 +110,7 @@
 RentACodec::RegistrationResult RentACodec::RegisterCngPayloadType(
     std::map<int, int>* pt_map,
     const CodecInst& codec_inst) {
-  if (STR_CASE_CMP(codec_inst.plname, "CN") != 0)
+  if (!absl::EqualsIgnoreCase(codec_inst.plname, "CN"))
     return RegistrationResult::kSkip;
   switch (codec_inst.plfreq) {
     case 8000:
@@ -126,7 +127,7 @@
 RentACodec::RegistrationResult RentACodec::RegisterRedPayloadType(
     std::map<int, int>* pt_map,
     const CodecInst& codec_inst) {
-  if (STR_CASE_CMP(codec_inst.plname, "RED") != 0)
+  if (!absl::EqualsIgnoreCase(codec_inst.plname, "RED"))
     return RegistrationResult::kSkip;
   switch (codec_inst.plfreq) {
     case 8000:
@@ -145,30 +146,30 @@
     const CodecInst& speech_inst,
     const rtc::scoped_refptr<LockedIsacBandwidthInfo>& bwinfo) {
 #if defined(WEBRTC_CODEC_ISACFX)
-  if (STR_CASE_CMP(speech_inst.plname, "isac") == 0)
+  if (absl::EqualsIgnoreCase(speech_inst.plname, "isac"))
     return std::unique_ptr<AudioEncoder>(
         new AudioEncoderIsacFixImpl(speech_inst, bwinfo));
 #endif
 #if defined(WEBRTC_CODEC_ISAC)
-  if (STR_CASE_CMP(speech_inst.plname, "isac") == 0)
+  if (absl::EqualsIgnoreCase(speech_inst.plname, "isac"))
     return std::unique_ptr<AudioEncoder>(
         new AudioEncoderIsacFloatImpl(speech_inst, bwinfo));
 #endif
 #ifdef WEBRTC_CODEC_OPUS
-  if (STR_CASE_CMP(speech_inst.plname, "opus") == 0)
+  if (absl::EqualsIgnoreCase(speech_inst.plname, "opus"))
     return std::unique_ptr<AudioEncoder>(new AudioEncoderOpusImpl(speech_inst));
 #endif
-  if (STR_CASE_CMP(speech_inst.plname, "pcmu") == 0)
+  if (absl::EqualsIgnoreCase(speech_inst.plname, "pcmu"))
     return std::unique_ptr<AudioEncoder>(new AudioEncoderPcmU(speech_inst));
-  if (STR_CASE_CMP(speech_inst.plname, "pcma") == 0)
+  if (absl::EqualsIgnoreCase(speech_inst.plname, "pcma"))
     return std::unique_ptr<AudioEncoder>(new AudioEncoderPcmA(speech_inst));
-  if (STR_CASE_CMP(speech_inst.plname, "l16") == 0)
+  if (absl::EqualsIgnoreCase(speech_inst.plname, "l16"))
     return std::unique_ptr<AudioEncoder>(new AudioEncoderPcm16B(speech_inst));
 #ifdef WEBRTC_CODEC_ILBC
-  if (STR_CASE_CMP(speech_inst.plname, "ilbc") == 0)
+  if (absl::EqualsIgnoreCase(speech_inst.plname, "ilbc"))
     return std::unique_ptr<AudioEncoder>(new AudioEncoderIlbcImpl(speech_inst));
 #endif
-  if (STR_CASE_CMP(speech_inst.plname, "g722") == 0)
+  if (absl::EqualsIgnoreCase(speech_inst.plname, "g722"))
     return std::unique_ptr<AudioEncoder>(new AudioEncoderG722Impl(speech_inst));
   RTC_LOG_F(LS_ERROR) << "Could not create encoder of type "
                       << speech_inst.plname;