Remove enabled/set_enabled from DemuxerStream interface

media/remoting/fake_media_resource.cc

Index: media/remoting/fake_media_resource.cc
diff --git a/media/remoting/fake_media_resource.cc b/media/remoting/fake_media_resource.cc
index 1f40349bef824ce864681ae68c038a6a9809820b..39c702a763c9997e53c1960eab117c0ed6fe6f6e 100644
--- a/media/remoting/fake_media_resource.cc
+++ b/media/remoting/fake_media_resource.cc
@@ -72,10 +72,6 @@ VideoRotation FakeDemuxerStream::video_rotation() {
   return VIDEO_ROTATION_0;
 }
 
-bool FakeDemuxerStream::enabled() const {
-  return true;
-}
-
 void FakeDemuxerStream::CreateFakeFrame(size_t size,
                                         bool key_frame,
                                         int pts_ms) {