Add support for echoCancellation and deviceId to MediaStreamTrack.getSettings

third_party/WebKit/Source/platform/exported/WebMediaStreamSource.cpp

Index: third_party/WebKit/Source/platform/exported/WebMediaStreamSource.cpp
diff --git a/third_party/WebKit/Source/platform/exported/WebMediaStreamSource.cpp b/third_party/WebKit/Source/platform/exported/WebMediaStreamSource.cpp
index b1fb39b2801c093f313da3cb7d52a18b7e7bbaec..cc7cb6c0e2b07b071fd8c7f950ab4e298f9b7213 100644
--- a/third_party/WebKit/Source/platform/exported/WebMediaStreamSource.cpp
+++ b/third_party/WebKit/Source/platform/exported/WebMediaStreamSource.cpp
@@ -31,6 +31,8 @@
 #include "public/platform/WebMediaStreamSource.h"
 
 #include <memory>
+#include <utility>
+
 #include "platform/audio/AudioBus.h"
 #include "platform/mediastream/MediaStreamSource.h"
 #include "platform/wtf/PtrUtil.h"
@@ -152,6 +154,11 @@ void WebMediaStreamSource::SetExtraData(ExtraData* extra_data) {
       WTF::WrapUnique(new ExtraDataContainer(WTF::WrapUnique(extra_data))));
 }
 
+void WebMediaStreamSource::SetEchoCancellation(bool echo_cancellation) {
+  DCHECK(!private_.IsNull());
+  private_->SetEchoCancellation(echo_cancellation);
+}
+
 WebMediaConstraints WebMediaStreamSource::Constraints() {
   DCHECK(!private_.IsNull());
   return private_->Constraints();