Revert of Teach ScriptRunner how to yield and post on loading task queue

Source/core/dom/ScriptRunner.h

 /*
  * 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef ScriptRunner_h
 #define ScriptRunner_h
 
 #include "core/fetch/ResourcePtr.h"
+#include "platform/Timer.h"
 #include "platform/heap/Handle.h"
-#include "platform/scheduler/CancellableTaskFactory.h"
-#include "wtf/Deque.h"
 #include "wtf/HashMap.h"
 #include "wtf/Noncopyable.h"
 #include "wtf/PassOwnPtr.h"
+#include "wtf/Vector.h"
 
 namespace blink {
 
 class Document;
 class ScriptLoader;
 
 class ScriptRunner final : public NoBaseWillBeGarbageCollectedFinalized<ScriptRunner> {
     WTF_MAKE_NONCOPYABLE(ScriptRunner); WTF_MAKE_FAST_ALLOCATED_WILL_BE_REMOVED;
 public:
     static PassOwnPtrWillBeRawPtr<ScriptRunner> create(Document* document)
@@ skipping 10 matching lines @@
     void notifyScriptReady(ScriptLoader*, ExecutionType);
     void notifyScriptLoadError(ScriptLoader*, ExecutionType);
 
     static void movePendingAsyncScript(Document&, Document&, ScriptLoader*);
 
     void trace(Visitor*);
 
 private:
     explicit ScriptRunner(Document*);
 
-    void executeScripts();
+    void timerFired(Timer<ScriptRunner>*);
 
     void addPendingAsyncScript(ScriptLoader*);
 
     void movePendingAsyncScript(ScriptRunner*, ScriptLoader*);
 
-    bool yieldForHighPriorityWork();
-
-    void postTaskIfOneIsNotAlreadyInFlight();
-
     RawPtrWillBeMember<Document> m_document;
-    WillBeHeapDeque<RawPtrWillBeMember<ScriptLoader>> m_scriptsToExecuteInOrder;
+    WillBeHeapVector<RawPtrWillBeMember<ScriptLoader> > m_scriptsToExecuteInOrder;
     // http://www.whatwg.org/specs/web-apps/current-work/#set-of-scripts-that-will-execute-as-soon-as-possible
-    WillBeHeapDeque<RawPtrWillBeMember<ScriptLoader>> m_scriptsToExecuteSoon;
+    WillBeHeapVector<RawPtrWillBeMember<ScriptLoader> > m_scriptsToExecuteSoon;
     WillBeHeapHashSet<RawPtrWillBeMember<ScriptLoader> > m_pendingAsyncScripts;
-    CancellableTaskFactory m_executeScriptsTaskFactory;
+    Timer<ScriptRunner> m_timer;
 };
 
 }
 
 #endif