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

Source/core/paint/TableRowPainter.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 TableRowPainter_h
 #define TableRowPainter_h
 
 #include "core/layout/LayoutTableRow.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
 class TableRowPainter {
+    STACK_ALLOCATED();
 public:
     TableRowPainter(LayoutTableRow& layoutTableRow) : m_layoutTableRow(layoutTableRow) { }
 
     void paint(const PaintInfo&, const LayoutPoint&);
     void paintOutlineForRowIfNeeded(const PaintInfo&, const LayoutPoint&);
 
 private:
     LayoutTableRow& m_layoutTableRow;
 };
 
 } // namespace blink
 
 #endif // TableRowPainter_h