MuteSource Audio During Full Screen Cast

content/browser/renderer_host/media/audio_input_renderer_host.cc

Index: content/browser/renderer_host/media/audio_input_renderer_host.cc
diff --git a/content/browser/renderer_host/media/audio_input_renderer_host.cc b/content/browser/renderer_host/media/audio_input_renderer_host.cc
index 9c076674f93bab13854a5fd2193b3e4e0dd1a57d..5a3d77eb4bd74c1bb900fa40924a04513515a7c4 100644
--- a/content/browser/renderer_host/media/audio_input_renderer_host.cc
+++ b/content/browser/renderer_host/media/audio_input_renderer_host.cc
@@ -459,7 +459,9 @@ void AudioInputRendererHost::DoCreateStream(
     // Only count for captures from desktop media picker dialog and system loop
     // back audio.
     if (entry->controller.get() && type == MEDIA_DESKTOP_AUDIO_CAPTURE &&
-        device_id == media::AudioDeviceDescription::kLoopbackInputDeviceId) {
+        (device_id == media::AudioDeviceDescription::kLoopbackInputDeviceId ||
+         device_id ==
+             media::AudioDeviceDescription::kLoopbackWithMuteDeviceId)) {
       IncrementDesktopCaptureCounter(SYSTEM_LOOPBACK_AUDIO_CAPTURER_CREATED);
     }
   }