Make blink classes and structures in core/css fast-allocated

Source/core/css/CSSToLengthConversionData.h

 /*
  * Copyright (C) 2013 Google Inc. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are
  * met:
  *
  *     * Redistributions of source code must retain the above copyright
  * notice, this list of conditions and the following disclaimer.
  *     * Redistributions in binary form must reproduce the above
@@ skipping 14 matching lines @@
  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
 #ifndef CSSToLengthConversionData_h
 #define CSSToLengthConversionData_h
 
 #include "core/CoreExport.h"
+#include "wtf/Allocator.h"
 #include "wtf/Assertions.h"
 #include "wtf/MathExtras.h"
 #include <limits>
 
 namespace blink {
 
 class ComputedStyle;
 class LayoutView;
 class Font;
 
 class CORE_EXPORT CSSToLengthConversionData {
+    DISALLOW_ALLOCATION();
 public:
 
     class FontSizes {
+        DISALLOW_ALLOCATION();
     public:
         FontSizes() : m_em(0), m_rem(0), m_font(nullptr) { }
         FontSizes(float em, float rem, const Font*);
         FontSizes(const ComputedStyle*, const ComputedStyle* rootStyle);
 
         float em() const { return m_em; }
         float rem() const { return m_rem; }
         float ex() const;
         float ch() const;
     private:
         float m_em;
         float m_rem;
         const Font* m_font;
     };
 
     class ViewportSize {
+        DISALLOW_ALLOCATION();
     public:
         ViewportSize() : m_width(0), m_height(0) { }
         ViewportSize(double width, double height) : m_width(width), m_height(height) { }
         explicit ViewportSize(const LayoutView*);
 
         double width() const { return m_width; }
         double height() const { return m_height; }
     private:
         double m_width;
         double m_height;
@@ skipping 31 matching lines @@
 private:
     const ComputedStyle* m_style;
     FontSizes m_fontSizes;
     ViewportSize m_viewportSize;
     float m_zoom;
 };
 
 } // namespace blink
 
 #endif