Remove unused includes from core/{editing,fileapi,history,html}

Source/core/html/track/TextTrackList.h

 /*
  * Copyright (C) 2011, 2012 Apple 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
@@ skipping 16 matching lines @@
 #define TextTrackList_h
 
 #include "bindings/v8/ScriptWrappable.h"
 #include "core/dom/EventListener.h"
 #include "core/dom/EventTarget.h"
 #include "core/platform/Timer.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/Vector.h"
 
-#include <algorithm>
-
 namespace WebCore {
 
 class HTMLMediaElement;
 class TextTrack;
 class TextTrackList;
 
 class TextTrackList : public RefCounted<TextTrackList>, public ScriptWrappable, public EventTarget {
 public:
     static PassRefPtr<TextTrackList> create(HTMLMediaElement* owner, ScriptExecutionContext* context)
     {
@@ skipping 47 matching lines @@
     Vector<RefPtr<TextTrack> > m_addTrackTracks;
     Vector<RefPtr<TextTrack> > m_elementTracks;
     Vector<RefPtr<TextTrack> > m_inbandTracks;
 
     int m_dispatchingEvents;
 };
 
 } // namespace WebCore
 
 #endif