Make classes and structures in core/html fast-allocated.

Source/core/html/forms/StepRange.h

 /*
  * Copyright (C) 2006, 2007, 2008, 2009, 2010 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,
  * 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 StepRange_h
 #define StepRange_h
 
 #include "platform/Decimal.h"
+#include "wtf/Allocator.h"
 #include "wtf/Forward.h"
 
 namespace blink {
 
 enum AnyStepHandling { RejectAny, AnyIsDefaultStep };
 
 class StepRange {
+    DISALLOW_ALLOCATION();
 public:
     enum StepValueShouldBe {
         StepValueShouldBeReal,
         ParsedStepValueShouldBeInteger,
         ScaledStepValueShouldBeInteger,
     };
 
     struct StepDescription {
         WTF_MAKE_FAST_ALLOCATED(StepDescription);
     public:
@@ skipping 52 matching lines @@
         return (value - m_minimum) / (m_maximum - m_minimum);
     }
 
     // Map from 0-1 range to value
     Decimal valueFromProportion(const Decimal& proportion) const
     {
         return m_minimum + proportion * (m_maximum - m_minimum);
     }
 
 private:
-    StepRange& operator =(const StepRange&);
+    StepRange& operator=(const StepRange&) = delete;
     Decimal acceptableError() const;
     Decimal roundByStep(const Decimal& value, const Decimal& base) const;
 
     const Decimal m_maximum; // maximum must be >= minimum.
     const Decimal m_minimum;
     const Decimal m_step;
     const Decimal m_stepBase;
     const StepDescription m_stepDescription;
     const bool m_hasStep;
 };
 
 }
 
 #endif // StepRange_h