Remove |remote| and |readonly| members of MediaStreamTrack.

chrome/renderer/extensions/cast_streaming_native_handler.cc

Index: chrome/renderer/extensions/cast_streaming_native_handler.cc
diff --git a/chrome/renderer/extensions/cast_streaming_native_handler.cc b/chrome/renderer/extensions/cast_streaming_native_handler.cc
index 38ab2ae7408a3acac7fb5e813348139a593be654..d076d8837adb036d943aeb15f9024858f76facbb 100644
--- a/chrome/renderer/extensions/cast_streaming_native_handler.cc
+++ b/chrome/renderer/extensions/cast_streaming_native_handler.cc
@@ -988,14 +988,10 @@ void CastStreamingNativeHandler::AddTracksToMediaStream(
   }
   if (!content::AddAudioTrackToMediaStream(
           audio, params.sample_rate(), params.channel_layout(),
-          params.frames_per_buffer(), true,  // is_remote
-          true,                              // is_readonly
-          &web_stream)) {
+          params.frames_per_buffer(), &web_stream)) {
     LOG(ERROR) << "Failed to add Cast audio track to media stream.";
   }
-  if (!content::AddVideoTrackToMediaStream(std::move(video), true,  // is_remote
-                                           true,  // is_readonly
-                                           &web_stream)) {
+  if (!content::AddVideoTrackToMediaStream(std::move(video), &web_stream)) {
     LOG(ERROR) << "Failed to add Cast video track to media stream.";
   }
 }