Don't include ComputedStyle.h where not needed.

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

 /*
  * Copyright (C) 2011 Nokia Inc. All rights reserved.
  * Copyright (C) 2012 Google 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,
  * 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 LayoutQuote_h
 #define LayoutQuote_h
 
 #include "core/layout/LayoutInline.h"
-#include "core/style/ComputedStyle.h"
-#include "core/style/ComputedStyleConstants.h"
 #include "core/style/QuotesData.h"
 
 namespace blink {
 
 class Document;
 class LayoutTextFragment;
 
 // LayoutQuote is the layout object associated with generated quotes
 // ("content: open-quote | close-quote | no-open-quote | no-close-quote").
 // http://www.w3.org/TR/CSS2/generate.html#quotes-insert
@@ skipping 54 matching lines @@
 
   // Cached text for this quote.
   String m_text;
 };
 
 DEFINE_LAYOUT_OBJECT_TYPE_CASTS(LayoutQuote, isQuote());
 
 }  // namespace blink
 
 #endif  // LayoutQuote_h