core/css: Include wtf files using "wtf/foo.h" form.

Source/core/css/Pair.h

 /*
  * (C) 1999-2003 Lars Knoll (knoll@kde.org)
  * Copyright (C) 2004, 2005, 2006 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 Pair_h
 #define Pair_h
 
 #include "core/css/CSSPrimitiveValue.h"
-#include <wtf/PassRefPtr.h>
-#include <wtf/RefCounted.h>
-#include <wtf/text/StringBuilder.h>
+#include "wtf/PassRefPtr.h"
+#include "wtf/RefCounted.h"
+#include "wtf/text/StringBuilder.h"
 
 namespace WebCore {
 
 // A primitive value representing a pair.  This is useful for properties like border-radius, background-size/position,
 // and border-spacing (all of which are space-separated sets of two values).  At the moment we are only using it for
 // border-radius and background-size, but (FIXME) border-spacing and background-position could be converted over to use
 // it (eliminating some extra -webkit- internal properties).
 class Pair : public RefCounted<Pair> {
 public:
     static PassRefPtr<Pair> create()
@@ skipping 40 matching lines @@
         return first + ' ' + second;
     }
 
     RefPtr<CSSPrimitiveValue> m_first;
     RefPtr<CSSPrimitiveValue> m_second;
 };
 
 } // namespace
 
 #endif