Remove ~1750 superfluous includes from core

Source/core/rendering/RenderThemeChromiumDefault.cpp

 /*
  * Copyright (C) 2007 Apple Inc.
  * Copyright (C) 2007 Alp Toker <alp@atoker.com>
  * Copyright (C) 2008 Collabora Ltd.
  * Copyright (C) 2008, 2009 Google Inc.
  * Copyright (C) 2009 Kenneth Rohde Christiansen
  *
  * 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.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  * Library General Public License for more details.
  *
  * You should have received a copy of the GNU Library General Public License
  * along with this library; see the file COPYING.LIB.  If not, write to
  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
  *
  */
 
 #include "config.h"
 #include "core/rendering/RenderThemeChromiumDefault.h"
 
 #include "CSSValueKeywords.h"
 #include "UserAgentStyleSheets.h"
-#include "core/platform/ScrollbarTheme.h"
 #include "core/platform/graphics/Color.h"
 #include "core/platform/graphics/GraphicsContext.h"
 #include "core/platform/graphics/GraphicsContextStateSaver.h"
 #include "core/rendering/PaintInfo.h"
 #include "core/rendering/RenderObject.h"
 #include "core/rendering/RenderProgress.h"
-#include "core/rendering/RenderSlider.h"
 #include <public/default/WebThemeEngine.h>
 #include <public/Platform.h>
 #include <public/WebRect.h>
 
 namespace WebCore {
 
 unsigned RenderThemeChromiumDefault::m_activeSelectionBackgroundColor =
     0xff1e90ff;
 unsigned RenderThemeChromiumDefault::m_activeSelectionForegroundColor =
     Color::black;
@@ skipping 370 matching lines @@
     WebKit::Platform::current()->themeEngine()->paint(canvas, WebKit::WebThemeEngine::PartProgressBar, getWebThemeState(this, o), WebKit::WebRect(rect), &extraParams);
     return false;
 }
 
 bool RenderThemeChromiumDefault::shouldOpenPickerWithF4Key() const
 {
     return true;
 }
 
 } // namespace WebCore