Use __func__ instead of __FUNCTION__.

content/renderer/media/media_recorder_handler.cc

Index: content/renderer/media/media_recorder_handler.cc
diff --git a/content/renderer/media/media_recorder_handler.cc b/content/renderer/media/media_recorder_handler.cc
index 3feb8a9d779ad6c7cfcfef6bd2d68cb5dd6ae5c7..ce59ce42a4ecf1baf89f21bcf150aa896648dec3 100644
--- a/content/renderer/media/media_recorder_handler.cc
+++ b/content/renderer/media/media_recorder_handler.cc
@@ -161,7 +161,7 @@ bool MediaRecorderHandler::start(int timeslice) {
   media_stream_.audioTracks(audio_tracks);
 
   if (video_tracks.isEmpty() && audio_tracks.isEmpty()) {
-    LOG(WARNING) << __FUNCTION__ << ": no media tracks.";
+    LOG(WARNING) << __func__ << ": no media tracks.";
     return false;
   }
 
@@ -176,7 +176,7 @@ bool MediaRecorderHandler::start(int timeslice) {
           blink::WebMediaStreamSource::ReadyStateEnded;
 
   if (!use_video_tracks && !use_audio_tracks) {
-    LOG(WARNING) << __FUNCTION__ << ": no tracks to be recorded.";
+    LOG(WARNING) << __func__ << ": no tracks to be recorded.";
     return false;
   }