Remove assorted unnecessary includes in core/layout/

third_party/WebKit/Source/core/layout/LayoutTheme.h

 /*
  * This file is part of the theme implementation for form controls in WebCore.
  *
  * Copyright (C) 2005, 2006, 2007, 2008, 2009, 2010, 2012 Apple Computer, Inc.
  *
  * 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.
  *
  */
 
 #ifndef LayoutTheme_h
 #define LayoutTheme_h
 
+#include "core/CSSValueKeywords.h"
 #include "core/CoreExport.h"
-#include "core/layout/LayoutObject.h"
 #include "platform/ThemeTypes.h"
+#include "platform/fonts/Font.h"
+#include "platform/fonts/FontDescription.h"
+#include "platform/fonts/FontTraits.h"
+#include "platform/graphics/Color.h"
 #include "platform/scroll/ScrollTypes.h"
+#include "platform/text/PlatformLocale.h"
 #include "wtf/PassRefPtr.h"
 #include "wtf/RefCounted.h"
 #include "wtf/text/WTFString.h"
 
 namespace blink {
 
 class ComputedStyle;
 class Element;
 class FileList;
 class HTMLInputElement;
+class LayoutObject;
 class Theme;
 class ThemePainter;
 
 class CORE_EXPORT LayoutTheme : public RefCounted<LayoutTheme> {
 protected:
     explicit LayoutTheme(Theme*);
 
 public:
     virtual ~LayoutTheme() { }
 
@@ skipping 193 matching lines @@
     static const RGBA32 defaultTapHighlightColor = 0x66000000;
 
     static const RGBA32 defaultCompositionBackgroundColor = 0xFFFFDD55;
 
     Theme* m_platformTheme; // The platform-specific theme.
 };
 
 } // namespace blink
 
 #endif // LayoutTheme_h