Merge 663413002 to M39:

content/renderer/media/media_stream_audio_processor_options.cc

Index: content/renderer/media/media_stream_audio_processor_options.cc
diff --git a/content/renderer/media/media_stream_audio_processor_options.cc b/content/renderer/media/media_stream_audio_processor_options.cc
index e386308fed94fe0a86fcba7e906066ef8f14cb21..8462a6550d0a75d65d12baee90ed1ff4d020b461 100644
--- a/content/renderer/media/media_stream_audio_processor_options.cc
+++ b/content/renderer/media/media_stream_audio_processor_options.cc
@@ -251,15 +251,10 @@ void EnableTypingDetection(AudioProcessing* audio_processing,
 void StartEchoCancellationDump(AudioProcessing* audio_processing,
                                base::File aec_dump_file) {
   DCHECK(aec_dump_file.IsValid());
-
-  FILE* stream = base::FileToFILE(aec_dump_file.Pass(), "w");
-  if (!stream) {
-    LOG(ERROR) << "Failed to open AEC dump file";
-    return;
-  }
-
-  if (audio_processing->StartDebugRecording(stream))
+  if (audio_processing->StartDebugRecordingForPlatformFile(
+      aec_dump_file.TakePlatformFile())) {
     DLOG(ERROR) << "Fail to start AEC debug recording";
+  }
 }
 
 void StopEchoCancellationDump(AudioProcessing* audio_processing) {