Deprecate LogCB in favor of using MediaLog

media/formats/mp4/aac.cc

Index: media/formats/mp4/aac.cc
diff --git a/media/formats/mp4/aac.cc b/media/formats/mp4/aac.cc
index bbfd4f57854d99e993baedd046e8bacd8c04b874..9aa749ca310cffe9eb0520c8c2c6395da439c4f0 100644
--- a/media/formats/mp4/aac.cc
+++ b/media/formats/mp4/aac.cc
@@ -22,7 +22,8 @@ AAC::AAC()
 AAC::~AAC() {
 }
 
-bool AAC::Parse(const std::vector<uint8>& data, const LogCB& log_cb) {
+bool AAC::Parse(const std::vector<uint8>& data,
+                const scoped_refptr<MediaLog>& media_log) {
 #if defined(OS_ANDROID)
   codec_specific_data_ = data;
 #endif
@@ -57,8 +58,8 @@ bool AAC::Parse(const std::vector<uint8>& data, const LogCB& log_cb) {
     RCHECK(reader.ReadBits(5, &profile_));
   }
 
-  MEDIA_LOG(INFO, log_cb) << "Audio codec: mp4a.40." << std::hex
-                          << static_cast<int>(profile_);
+  MEDIA_LOG(INFO, media_log) << "Audio codec: mp4a.40." << std::hex
+                             << static_cast<int>(profile_);
 
   RCHECK(SkipDecoderGASpecificConfig(&reader));
   RCHECK(SkipErrorSpecificConfig());