Remove unused includes from various .cpp files in core/

Source/core/page/Chrome.cpp

 /*
  * Copyright (C) 2006, 2007, 2009, 2011 Apple Inc. All rights reserved.
  * Copyright (C) 2008, 2010 Nokia Corporation and/or its subsidiary(-ies)
  * Copyright (C) 2012, Samsung Electronics. All rights reserved.
  *
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Library General Public
  * License as published by the Free Software Foundation; either
  * version 2 of the License, or (at your option) any later version.
  *
@@ skipping 11 matching lines @@
 #include "config.h"
 #include "core/page/Chrome.h"
 
 #include "public/platform/WebScreenInfo.h"
 #include <wtf/PassRefPtr.h>
 #include <wtf/RefPtr.h>
 #include <wtf/text/StringBuilder.h>
 #include <wtf/Vector.h>
 #include "HTMLNames.h"
 #include "core/dom/Document.h"
-#include "core/fileapi/FileList.h"
-#include "core/html/HTMLFormElement.h"
 #include "core/html/HTMLInputElement.h"
 #include "core/inspector/InspectorInstrumentation.h"
 #include "core/page/ChromeClient.h"
 #include "core/page/Frame.h"
 #include "core/page/FrameTree.h"
 #include "core/page/Page.h"
 #include "core/page/PageGroupLoadDeferrer.h"
 #include "core/page/PopupOpeningObserver.h"
-#include "core/page/Settings.h"
-#include "core/page/WindowFeatures.h"
 #include "core/platform/DateTimeChooser.h"
 #include "core/platform/FileChooser.h"
-#include "core/platform/FileIconLoader.h"
 #include "core/platform/graphics/FloatRect.h"
-#include "core/platform/graphics/Icon.h"
 #include "core/platform/network/DNS.h"
-#include "core/platform/network/ResourceHandle.h"
 #include "core/rendering/HitTestResult.h"
-#include "core/rendering/RenderObject.h"
 #include "core/storage/StorageNamespace.h"
-#include "modules/geolocation/Geolocation.h"
-#include "weborigin/SecurityOrigin.h"
 
 #if ENABLE(INPUT_TYPE_COLOR)
 #include "core/platform/ColorChooser.h"
 #endif
 
 namespace WebCore {
 
 using namespace HTMLNames;
 using namespace std;
 
@@ skipping 398 matching lines @@
 }
 
 void Chrome::notifyPopupOpeningObservers() const
 {
     const Vector<PopupOpeningObserver*> observers(m_popupOpeningObservers);
     for (size_t i = 0; i < observers.size(); ++i)
         observers[i]->willOpenPopup();
 }
 
 } // namespace WebCore