Support (E)AC3 passthrough

content/renderer/media/render_media_client.cc

Index: content/renderer/media/render_media_client.cc
diff --git a/content/renderer/media/render_media_client.cc b/content/renderer/media/render_media_client.cc
index 3c8d9e1d53e6922f3cef9e5f7090e8c611f874b7..1d11be1395ce3b45b5f023a0634eaf2f856505e3 100644
--- a/content/renderer/media/render_media_client.cc
+++ b/content/renderer/media/render_media_client.cc
@@ -115,6 +115,10 @@ bool RenderMediaClient::IsSupportedVideoConfig(media::VideoCodec codec,
   return false;
 }
 
+bool RenderMediaClient::IsPassthroughAudioSupported(::media::AudioCodec codec) {
+  return false;
+}
+
 void RenderMediaClient::SetTickClockForTesting(
     std::unique_ptr<base::TickClock> tick_clock) {
   tick_clock_.swap(tick_clock);