Remove ~1750 superfluous includes from core

Source/core/css/CSSStyleRule.cpp

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * (C) 2002-2003 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2002, 2005, 2006, 2008, 2012 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.
  *
@@ skipping 10 matching lines @@
 
 #include "config.h"
 #include "core/css/CSSStyleRule.h"
 
 #include "core/css/CSSParser.h"
 #include "core/css/CSSSelector.h"
 #include "core/css/CSSStyleSheet.h"
 #include "core/css/PropertySetCSSStyleDeclaration.h"
 #include "core/css/StylePropertySet.h"
 #include "core/css/StyleRule.h"
-#include "core/dom/Document.h"
 #include "core/dom/WebCoreMemoryInstrumentation.h"
 #include <wtf/text/StringBuilder.h>
 
 namespace WebCore {
 
 typedef HashMap<const CSSStyleRule*, String> SelectorTextCache;
 static SelectorTextCache& selectorTextCache()
 {
     DEFINE_STATIC_LOCAL(SelectorTextCache, cache, ());
     return cache;
@@ skipping 91 matching lines @@
 
 void CSSStyleRule::reportMemoryUsage(MemoryObjectInfo* memoryObjectInfo) const
 {
     MemoryClassInfo info(memoryObjectInfo, this, WebCoreMemoryTypes::CSS);
     CSSRule::reportMemoryUsage(memoryObjectInfo);
     info.addMember(m_styleRule, "styleRule");
     info.addMember(m_propertiesCSSOMWrapper, "propertiesCSSOMWrapper");
 }
 
 } // namespace WebCore