Make classes and structures in core/style, core/plugins and core/streams fast-allocated.

Source/core/style/OutlineValue.h

 /*
  * Copyright (C) 2000 Lars Knoll (knoll@kde.org)
  *           (C) 2000 Antti Koivisto (koivisto@kde.org)
  *           (C) 2000 Dirk Mueller (mueller@kde.org)
  * Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
  * Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * 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 OutlineValue_h
 #define OutlineValue_h
 
 #include "core/style/BorderValue.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
-class OutlineValue : public BorderValue {
+class OutlineValue final : public BorderValue {
+    DISALLOW_ALLOCATION();
 friend class ComputedStyle;
 public:
     OutlineValue()
         : m_offset(0)
     {
     }
 
     bool operator==(const OutlineValue& o) const
     {
         return BorderValue::operator==(o) && m_offset == o.m_offset && m_isAuto == o.m_isAuto;
@@ skipping 17 matching lines @@
     OutlineIsAuto isAuto() const { return static_cast<OutlineIsAuto>(m_isAuto); }
     void setIsAuto(OutlineIsAuto isAuto) { m_isAuto = isAuto; }
 
 private:
     int m_offset;
 };
 
 } // namespace blink
 
 #endif // OutlineValue_h