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

Source/core/html/track/LoadableTextTrack.h

 /*
  * Copyright (C) 2011 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
@@ skipping 10 matching lines @@
  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef LoadableTextTrack_h
 #define LoadableTextTrack_h
 
 #include "core/html/track/TextTrack.h"
 #include "core/loader/TextTrackLoader.h"
-#include <wtf/PassRefPtr.h>
-#include <wtf/Vector.h>
+#include "wtf/PassRefPtr.h"
 
 namespace WebCore {
 
 class HTMLTrackElement;
 class LoadableTextTrack;
 
 class LoadableTextTrackClient : public TextTrackClient {
 public:
     virtual ~LoadableTextTrackClient() { }
     
@@ skipping 35 matching lines @@
 
     HTMLTrackElement* m_trackElement;
     Timer<LoadableTextTrack> m_loadTimer;
     OwnPtr<TextTrackLoader> m_loader;
     KURL m_url;
     bool m_isDefault;
 };
 } // namespace WebCore
 
 #endif