rtcp_sender: uppercase protocol names (RTCP) in log messages

Bug: None
Change-Id: Ie6683897fca469a15c1aa054eeb1b2d378b22bcc
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/311461
Reviewed-by: Danil Chapovalov <danilchap@webrtc.org>
Commit-Queue: Danil Chapovalov <danilchap@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#40405}

modules/rtp_rtcp/source/rtcp_sender.cc

diff --git a/modules/rtp_rtcp/source/rtcp_sender.cc b/modules/rtp_rtcp/source/rtcp_sender.cc
index 75f403d..9e46288 100644
--- a/modules/rtp_rtcp/source/rtcp_sender.cc
+++ b/modules/rtp_rtcp/source/rtcp_sender.cc
@@ -282,7 +282,7 @@
   RTC_CHECK_GE(bitrate_bps, 0);
   MutexLock lock(&mutex_rtcp_sender_);
   if (method_ == RtcpMode::kOff) {
-    RTC_LOG(LS_WARNING) << "Can't send rtcp if it is disabled.";
+    RTC_LOG(LS_WARNING) << "Can't send RTCP if it is disabled.";
     return;
   }
   remb_bitrate_ = bitrate_bps;
@@ -688,7 +688,7 @@
     const uint16_t* nack_list,
     PacketSender& sender) {
   if (method_ == RtcpMode::kOff) {
-    RTC_LOG(LS_WARNING) << "Can't send rtcp if it is disabled.";
+    RTC_LOG(LS_WARNING) << "Can't send RTCP if it is disabled.";
     return -1;
   }
   // Add the flag as volatile. Non volatile entries will not be overwritten.
@@ -877,7 +877,7 @@
     const VideoBitrateAllocation& bitrate) {
   MutexLock lock(&mutex_rtcp_sender_);
   if (method_ == RtcpMode::kOff) {
-    RTC_LOG(LS_WARNING) << "Can't send rtcp if it is disabled.";
+    RTC_LOG(LS_WARNING) << "Can't send RTCP if it is disabled.";
     return;
   }
   // Check if this allocation is first ever, or has a different set of
@@ -929,7 +929,7 @@
   {
     MutexLock lock(&mutex_rtcp_sender_);
     if (method_ == RtcpMode::kOff) {
-      RTC_LOG(LS_WARNING) << "Can't send rtcp if it is disabled.";
+      RTC_LOG(LS_WARNING) << "Can't send RTCP if it is disabled.";
       return;
     }