Remove MediaStreamTrack.getSources().

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

Index: third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.cpp
diff --git a/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.cpp b/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.cpp
index 9739d9229852dec285f5463dd93da55fea0f49e7..0e4d5d1bcbbe7e34daaa156646d2de57a5faa3d2 100644
--- a/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.cpp
+++ b/third_party/WebKit/Source/modules/mediastream/MediaStreamTrack.cpp
@@ -33,14 +33,11 @@
 #include "core/frame/Deprecation.h"
 #include "modules/mediastream/MediaConstraintsImpl.h"
 #include "modules/mediastream/MediaStream.h"
-#include "modules/mediastream/MediaStreamTrackSourcesCallback.h"
-#include "modules/mediastream/MediaStreamTrackSourcesRequestImpl.h"
 #include "modules/mediastream/MediaTrackSettings.h"
 #include "modules/mediastream/UserMediaController.h"
 #include "platform/mediastream/MediaStreamCenter.h"
 #include "platform/mediastream/MediaStreamComponent.h"
 #include "public/platform/WebMediaStreamTrack.h"
-#include "public/platform/WebSourceInfo.h"
 #include "wtf/Assertions.h"
 #include <memory>
 
@@ -131,24 +128,6 @@ String MediaStreamTrack::readyState() const {
   return String();
 }
 
-void MediaStreamTrack::getSources(ExecutionContext* context,
-                                  MediaStreamTrackSourcesCallback* callback,
-                                  ExceptionState& exceptionState) {
-  LocalFrame* frame = toDocument(context)->frame();
-  UserMediaController* userMedia = UserMediaController::from(frame);
-  if (!userMedia) {
-    exceptionState.throwDOMException(
-        NotSupportedError,
-        "No sources controller available; is this a detached window?");
-    return;
-  }
-  Deprecation::countDeprecation(context,
-                                UseCounter::MediaStreamTrackGetSources);
-  MediaStreamTrackSourcesRequest* request =
-      MediaStreamTrackSourcesRequestImpl::create(*context, callback);
-  userMedia->requestSources(request);
-}
-
 void MediaStreamTrack::stopTrack(ExceptionState& exceptionState) {
   if (ended())
     return;