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

Source/core/layout/svg/SVGTextLayoutAttributesBuilder.h

 /*
  * Copyright (C) Research In Motion Limited 2010-2012. 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 SVGTextLayoutAttributesBuilder_h
 #define SVGTextLayoutAttributesBuilder_h
 
 #include "core/layout/svg/SVGTextLayoutAttributes.h"
 #include "platform/heap/Handle.h"
+#include "wtf/Allocator.h"
 #include "wtf/Vector.h"
 #include "wtf/text/Unicode.h"
 
 namespace blink {
 
 class LayoutBoxModelObject;
 class LayoutSVGInlineText;
 class LayoutSVGText;
 class SVGTextPositioningElement;
 
 // SVGTextLayoutAttributesBuilder performs the first layout phase for SVG text.
 //
 // It extracts the x/y/dx/dy/rotate values from the SVGTextPositioningElements in the DOM.
 // These values are propagated to the corresponding LayoutSVGInlineText layoutObjects.
 // The first layout phase only extracts the relevant information needed in LayoutBlockFlowLine
 // to create the InlineBox tree based on text chunk boundaries & BiDi information.
 // The second layout phase is carried out by SVGTextLayoutEngine.
 
 class SVGTextLayoutAttributesBuilder {
+    DISALLOW_ALLOCATION();
     WTF_MAKE_NONCOPYABLE(SVGTextLayoutAttributesBuilder);
 public:
     SVGTextLayoutAttributesBuilder();
     bool buildLayoutAttributesForForSubtree(LayoutSVGText&);
     void buildLayoutAttributesForText(LayoutSVGInlineText*);
 
     void rebuildMetricsForTextLayoutObject(LayoutSVGInlineText*);
 
     // Invoked whenever the underlying DOM tree changes, so that m_textPositions is rebuild.
     void clearTextPositioningElements() { m_textPositions.clear(); }
@@ skipping 25 matching lines @@
     unsigned m_textLength;
     WillBePersistentHeapVector<TextPosition> m_textPositions;
     SVGCharacterDataMap m_characterDataMap;
 };
 
 } // namespace blink
 
 WTF_ALLOW_MOVE_AND_INIT_WITH_MEM_FUNCTIONS(blink::SVGTextLayoutAttributesBuilder::TextPosition);
 
 #endif