Reduce use of ExecutionContextTask in core/

third_party/WebKit/Source/core/fileapi/FileReader.cpp

 /*
  * Copyright (C) 2010 Google Inc.  All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 18 matching lines @@
  */
 
 #include "core/fileapi/FileReader.h"
 
 #include "bindings/core/v8/ExceptionState.h"
 #include "bindings/core/v8/StringOrArrayBuffer.h"
 #include "core/dom/DOMArrayBuffer.h"
 #include "core/dom/Document.h"
 #include "core/dom/ExceptionCode.h"
 #include "core/dom/ExecutionContext.h"
-#include "core/dom/ExecutionContextTask.h"
 #include "core/dom/TaskRunnerHelper.h"
 #include "core/events/ProgressEvent.h"
 #include "core/fileapi/File.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "platform/Supplementable.h"
 #include "wtf/AutoReset.h"
 #include "wtf/CurrentTime.h"
 #include "wtf/Deque.h"
 #include "wtf/HashSet.h"
 #include "wtf/text/CString.h"
@@ skipping 296 matching lines @@
   fireEvent(EventTypeNames::abort);
   fireEvent(EventTypeNames::loadend);
 
   // All possible events have fired and we're done, no more pending activity.
   ThrottlingController::finishReader(getExecutionContext(), this, finalStep);
 
   // ..but perform the loader cancellation asynchronously as abort() could be
   // called from the event handler and we do not want the resource loading code
   // to be on the stack when doing so. The persistent reference keeps the
   // reader alive until the task has completed.
-  getExecutionContext()->postTask(
-      TaskType::FileReading, BLINK_FROM_HERE,
-      createSameThreadTask(&FileReader::terminate, wrapPersistent(this)));
+  TaskRunnerHelper::get(TaskType::FileReading, getExecutionContext())
+      ->postTask(BLINK_FROM_HERE,
+                 WTF::bind(&FileReader::terminate, wrapPersistent(this)));
 }
 
 void FileReader::result(StringOrArrayBuffer& resultAttribute) const {
   if (m_error || !m_loader)
     return;
 
   if (m_readType == FileReaderLoader::ReadAsArrayBuffer)
     resultAttribute.setArrayBuffer(m_loader->arrayBufferResult());
   else
     resultAttribute.setString(m_loader->stringResult());
@@ skipping 99 matching lines @@
         ProgressEvent::create(type, false, m_loader->bytesLoaded(), 0));
 }
 
 DEFINE_TRACE(FileReader) {
   visitor->trace(m_error);
   EventTargetWithInlineData::trace(visitor);
   ContextLifecycleObserver::trace(visitor);
 }
 
 }  // namespace blink