Get the device ID in getSettings()

third_party/WebKit/Source/platform/mediastream/MediaStreamSource.cpp

Index: third_party/WebKit/Source/platform/mediastream/MediaStreamSource.cpp
diff --git a/third_party/WebKit/Source/platform/mediastream/MediaStreamSource.cpp b/third_party/WebKit/Source/platform/mediastream/MediaStreamSource.cpp
index 439779d087484910e824015b624a8be1a9585c28..a8fd4e8e47efcb24a78cd42b1d5320b1ae54e8f8 100644
--- a/third_party/WebKit/Source/platform/mediastream/MediaStreamSource.cpp
+++ b/third_party/WebKit/Source/platform/mediastream/MediaStreamSource.cpp
@@ -90,6 +90,10 @@ bool MediaStreamSource::removeAudioConsumer(
   return true;
 }
 
+void MediaStreamSource::getSettings(WebMediaStreamTrack::Settings& settings) {
+  settings.deviceId = id();
+}
+
 void MediaStreamSource::setAudioFormat(size_t numberOfChannels,
                                        float sampleRate) {
   ASSERT(m_requiresConsumer);