Index: content/common/media/media_stream_options.cc |
diff --git a/content/common/media/media_stream_options.cc b/content/common/media/media_stream_options.cc |
index 4ddef015334c3b42b75f5d88121b3b6d5056f2a6..c727b63718cd3b3ff6e6a2152ab9e5caa80fafa0 100644 |
--- a/content/common/media/media_stream_options.cc |
+++ b/content/common/media/media_stream_options.cc |
@@ -17,6 +17,9 @@ const char kMediaStreamSourceDesktop[] = "desktop"; |
const char kMediaStreamSourceSystem[] = "system"; |
const char kMediaStreamRenderToAssociatedSink[] = |
"chromeRenderToAssociatedSink"; |
+// The prefix of this constant is 'goog' to match with other getUserMedia |
+// constraints for audio. |
+const char kMediaStreamAudioDucking[] = "googDucking"; |
namespace { |