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

Source/core/paint/TablePainter.h

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef TablePainter_h
 #define TablePainter_h
 
+#include "wtf/Allocator.h"
+
 namespace blink {
 
 class LayoutPoint;
 class LayoutTable;
 struct PaintInfo;
 
 class TablePainter {
+    STACK_ALLOCATED();
 public:
     TablePainter(LayoutTable& layoutTable) : m_layoutTable(layoutTable) { }
 
     void paintObject(const PaintInfo&, const LayoutPoint&);
     void paintBoxDecorationBackground(const PaintInfo&, const LayoutPoint&);
     void paintMask(const PaintInfo&, const LayoutPoint&);
 
 private:
     LayoutTable& m_layoutTable;
 };
 
 } // namespace blink
 
 #endif // TablePainter_h