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

Source/core/layout/LayoutGeometryMap.h

 /*
  * Copyright (C) 2012 Apple 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:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
@@ skipping 15 matching lines @@
 #ifndef LayoutGeometryMap_h
 #define LayoutGeometryMap_h
 
 #include "core/CoreExport.h"
 #include "core/layout/LayoutGeometryMapStep.h"
 #include "core/layout/LayoutObject.h"
 #include "platform/geometry/FloatPoint.h"
 #include "platform/geometry/FloatQuad.h"
 #include "platform/geometry/IntSize.h"
 #include "platform/geometry/LayoutSize.h"
+#include "wtf/Allocator.h"
 #include "wtf/OwnPtr.h"
 
 namespace blink {
 
 class DeprecatedPaintLayer;
 class LayoutBoxModelObject;
 class TransformationMatrix;
 class TransformState;
 
 // Can be used while walking the layout tree to cache data about offsets and transforms.
 class CORE_EXPORT LayoutGeometryMap {
+    DISALLOW_ALLOCATION();
     WTF_MAKE_NONCOPYABLE(LayoutGeometryMap);
 public:
     LayoutGeometryMap(MapCoordinatesFlags = UseTransforms);
     ~LayoutGeometryMap();
 
     MapCoordinatesFlags mapCoordinatesFlags() const { return m_mapCoordinatesFlags; }
 
     FloatRect absoluteRect(const FloatRect& rect) const
     {
         return mapToContainer(rect, 0).boundingBox();
@@ skipping 43 matching lines @@
     int m_transformedStepsCount;
     int m_fixedStepsCount;
     LayoutGeometryMapSteps m_mapping;
     LayoutSize m_accumulatedOffset;
     MapCoordinatesFlags m_mapCoordinatesFlags;
 };
 
 } // namespace blink
 
 #endif // LayoutGeometryMap_h