Remove duplicated headers from modules/ directory

Source/modules/donottrack/NavigatorDoNotTrack.cpp

 /*
  * Copyright (C) 2013 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 13 matching lines @@
  * 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
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #include "config.h"
 #include "modules/donottrack/NavigatorDoNotTrack.h"
 
-#include "core/loader/FrameLoader.h"

[Nico, 2013/12/09 02:01:27]

There's a call to `loader().something` below, so I think this should probably
stay

 #include "core/loader/FrameLoaderClient.h"
 #include "core/frame/Frame.h"
 #include "core/frame/Navigator.h"
-#include "wtf/PassOwnPtr.h"
 
 namespace WebCore {
 
 NavigatorDoNotTrack::NavigatorDoNotTrack(Frame* frame)
     : DOMWindowProperty(frame)
 {
 }
 
 NavigatorDoNotTrack::~NavigatorDoNotTrack()
 {
@@ skipping 18 matching lines @@
 {
     return NavigatorDoNotTrack::from(navigator)->doNotTrack();
 }
 
 String NavigatorDoNotTrack::doNotTrack()
 {
     return frame() ? frame()->loader().client()->doNotTrackValue() : String();
 }
 
 } // namespace WebCore