Remove unused includes from core/html .cpp files

Source/core/html/PluginDocument.cpp

 /*
  * Copyright (C) 2006, 2008 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
  *    documentation and/or other materials provided with the distribution.
  *
  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, 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 COMPUTER, INC. OR
  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  * 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 "core/html/PluginDocument.h"
 
 #include "HTMLNames.h"
 #include "core/dom/ExceptionCodePlaceholder.h"
-#include "core/dom/NodeList.h"
 #include "core/dom/RawDataDocumentParser.h"
 #include "core/html/HTMLEmbedElement.h"
 #include "core/html/HTMLHtmlElement.h"
 #include "core/loader/DocumentLoader.h"
 #include "core/loader/FrameLoader.h"
 #include "core/loader/FrameLoaderClient.h"
 #include "core/page/Frame.h"
 #include "core/page/FrameView.h"
-#include "core/page/Page.h"
-#include "core/page/Settings.h"
 #include "core/rendering/RenderEmbeddedObject.h"
 
 namespace WebCore {
     
 using namespace HTMLNames;
 
 // FIXME: Share more code with MediaDocumentParser.
 class PluginDocumentParser : public RawDataDocumentParser {
 public:
     static PassRefPtr<PluginDocumentParser> create(PluginDocument* document)
@@ skipping 126 matching lines @@
     // with how many times we call beforeload on object elements. <rdar://problem/8441094>.
     if (!shouldLoadPluginManually())
         return;
 
     DocumentLoader* documentLoader = frame()->loader()->activeDocumentLoader();
     documentLoader->cancelMainResourceLoad(frame()->loader()->cancelledError(documentLoader->request()));
     setShouldLoadPluginManually(false);
 }
 
 }