Add support for echoCancellation and deviceId to MediaStreamTrack.getSettings

third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.cpp

 /*
  * Copyright (C) 2011 Google Inc. All rights reserved.
  * Copyright (C) 2011 Ericsson AB. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1.  Redistributions of source code must retain the above copyright
  *     notice, this list of conditions and the following disclaimer.
  * 2.  Redistributions in binary form must reproduce the above copyright
@@ skipping 285 matching lines @@
         settings.setFacingMode("left");
         break;
       case WebMediaStreamTrack::FacingMode::kRight:
         settings.setFacingMode("right");
         break;
       default:
         // None, or unknown facing mode. Ignore.
         break;
     }
   }
+  if (platform_settings.HasEchoCancellationValue()) {
+    settings.setEchoCancellation(
+        static_cast<bool>(platform_settings.echo_cancellation));
+  }
+
   if (image_capture_)
     image_capture_->GetMediaTrackSettings(settings);
 }
 
 ScriptPromise MediaStreamTrack::applyConstraints(
     ScriptState* script_state,
     const MediaTrackConstraints& constraints) {
   ScriptPromiseResolver* resolver = ScriptPromiseResolver::Create(script_state);
   ScriptPromise promise = resolver->Promise();
 
@@ skipping 100 matching lines @@
 
 DEFINE_TRACE(MediaStreamTrack) {
   visitor->Trace(registered_media_streams_);
   visitor->Trace(component_);
   visitor->Trace(image_capture_);
   EventTargetWithInlineData::Trace(visitor);
   ContextLifecycleObserver::Trace(visitor);
 }
 
 }  // namespace blink