Revert of Move ImageLoader timer to frame-specific TaskRunnerTimer.

third_party/WebKit/Source/core/loader/ImageLoader.cpp

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  *           (C) 1999 Antti Koivisto (koivisto@kde.org)
  * Copyright (C) 2004, 2005, 2006, 2007, 2009, 2010 Apple Inc. All rights
  * reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
@@ skipping 12 matching lines @@
 #include "core/loader/ImageLoader.h"
 
 #include "bindings/core/v8/Microtask.h"
 #include "bindings/core/v8/ScriptController.h"
 #include "bindings/core/v8/ScriptState.h"
 #include "bindings/core/v8/V8Binding.h"
 #include "bindings/core/v8/V8PerIsolateData.h"
 #include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/dom/IncrementLoadEventDelayCount.h"
-#include "core/dom/TaskRunnerHelper.h"
 #include "core/events/Event.h"
 #include "core/events/EventSender.h"
 #include "core/fetch/FetchRequest.h"
 #include "core/fetch/MemoryCache.h"
 #include "core/fetch/ResourceFetcher.h"
 #include "core/fetch/ResourceLoadingLog.h"
 #include "core/frame/LocalFrame.h"
 #include "core/frame/Settings.h"
 #include "core/frame/UseCounter.h"
 #include "core/html/CrossOriginAttribute.h"
@@ skipping 105 matching lines @@
   BypassMainWorldBehavior m_shouldBypassMainWorldCSP;
   UpdateFromElementBehavior m_updateBehavior;
   RefPtr<ScriptState> m_scriptState;
   WeakPtrFactory<Task> m_weakFactory;
   ReferrerPolicy m_referrerPolicy;
   KURL m_requestURL;
 };
 
 ImageLoader::ImageLoader(Element* element)
     : m_element(element),
-      m_derefElementTimer(TaskRunnerHelper::get(TaskType::Networking,
-                                                element->document().frame()),
-                          this,
-                          &ImageLoader::timerFired),
+      m_derefElementTimer(this, &ImageLoader::timerFired),
       m_hasPendingLoadEvent(false),
       m_hasPendingErrorEvent(false),
       m_imageComplete(true),
       m_loadingImageDocument(false),
       m_elementIsProtected(false),
       m_suppressErrorEvents(false) {
   RESOURCE_LOADING_DVLOG(1) << "new ImageLoader " << this;
 }
 
 ImageLoader::~ImageLoader() {}
@@ skipping 465 matching lines @@
 }
 
 void ImageLoader::elementDidMoveToNewDocument() {
   if (m_loadDelayCounter)
     m_loadDelayCounter->documentChanged(m_element->document());
   clearFailedLoadURL();
   setImage(0);
 }
 
 }  // namespace blink