Reduce SuspendableObjects

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 41 matching lines @@
   visitor->trace(m_drawListener);
   MediaStreamTrack::trace(visitor);
 }
 
 CanvasCaptureMediaStreamTrack::CanvasCaptureMediaStreamTrack(
     const CanvasCaptureMediaStreamTrack& track,
     MediaStreamComponent* component)
     : MediaStreamTrack(track.m_canvasElement->getExecutionContext(), component),
       m_canvasElement(track.m_canvasElement),
       m_drawListener(track.m_drawListener) {
-  suspendIfNeeded();
   m_canvasElement->addListener(m_drawListener.get());
 }
 
 CanvasCaptureMediaStreamTrack::CanvasCaptureMediaStreamTrack(
     MediaStreamComponent* component,
     HTMLCanvasElement* element,
     std::unique_ptr<WebCanvasCaptureHandler> handler)
     : MediaStreamTrack(element->getExecutionContext(), component),
       m_canvasElement(element) {
-  suspendIfNeeded();
   m_drawListener = AutoCanvasDrawListener::create(std::move(handler));
   m_canvasElement->addListener(m_drawListener.get());
 }
 
 CanvasCaptureMediaStreamTrack::CanvasCaptureMediaStreamTrack(
     MediaStreamComponent* component,
     HTMLCanvasElement* element,
     std::unique_ptr<WebCanvasCaptureHandler> handler,
     double frameRate)
     : MediaStreamTrack(element->getExecutionContext(), component),
       m_canvasElement(element) {
-  suspendIfNeeded();
   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