Include Document.h in fewer headers

Source/core/css/resolver/StyleResolverState.h

 /*
  * Copyright (C) 1999 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. 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.
  *
  * This library is distributed in the hope that it will be useful,
@@ skipping 12 matching lines @@
 #define StyleResolverState_h
 
 #include "core/CSSPropertyNames.h"
 
 #include "core/css/CSSSVGDocumentValue.h"
 #include "core/css/CSSToLengthConversionData.h"
 #include "core/css/resolver/CSSToStyleMap.h"
 #include "core/css/resolver/ElementResolveContext.h"
 #include "core/css/resolver/ElementStyleResources.h"
 #include "core/css/resolver/FontBuilder.h"
+#include "core/dom/Document.h"
 #include "core/dom/Element.h"
 #include "core/rendering/style/CachedUAStyle.h"
 #include "core/rendering/style/RenderStyle.h"
 #include "core/rendering/style/StyleInheritedData.h"
 
 namespace WebCore {
 
 class CSSAnimationUpdate;
 class FontDescription;
 class StyleRule;
@@ skipping 119 matching lines @@
     // a back-pointer to this object.
     CSSToStyleMap m_styleMap;
     Vector<AtomicString> m_contentAttrValues;
 
     RawPtrWillBeMember<StyleRule> m_currentRule;
 };
 
 } // namespace WebCore
 
 #endif // StyleResolverState_h