Carry MediaStreamComponent properties on clone.

third_party/WebKit/Source/modules/mediacapturefromelement/CanvasCaptureMediaStreamTrack.cpp

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "modules/mediacapturefromelement/CanvasCaptureMediaStreamTrack.h"
 
 #include "core/html/HTMLCanvasElement.h"
 #include "modules/mediacapturefromelement/AutoCanvasDrawListener.h"
 #include "modules/mediacapturefromelement/OnRequestCanvasDrawListener.h"
 #include "modules/mediacapturefromelement/TimedCanvasDrawListener.h"
@@ skipping 22 matching lines @@
 HTMLCanvasElement* CanvasCaptureMediaStreamTrack::canvas() const {
   return m_canvasElement.get();
 }
 
 void CanvasCaptureMediaStreamTrack::requestFrame() {
   m_drawListener->requestFrame();
 }
 
 CanvasCaptureMediaStreamTrack* CanvasCaptureMediaStreamTrack::clone(
     ExecutionContext* context) {
-  MediaStreamComponent* clonedComponent =
-      MediaStreamComponent::create(component()->source());
+  MediaStreamComponent* clonedComponent = component()->clone();
   CanvasCaptureMediaStreamTrack* clonedTrack =
       new CanvasCaptureMediaStreamTrack(*this, clonedComponent);
   MediaStreamCenter::instance().didCreateMediaStreamTrack(clonedComponent);
   return clonedTrack;
 }
 
 DEFINE_TRACE(CanvasCaptureMediaStreamTrack) {
   visitor->trace(m_canvasElement);
   visitor->trace(m_drawListener);
   MediaStreamTrack::trace(visitor);
@@ skipping 31 matching lines @@
   if (frameRate == 0) {
     m_drawListener = OnRequestCanvasDrawListener::create(std::move(handler));
   } else {
     m_drawListener =
         TimedCanvasDrawListener::create(std::move(handler), frameRate);
   }
   m_canvasElement->addListener(m_drawListener.get());
 }
 
 }  // namespace blink