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

Source/core/paint/TableCellPainter.h

Index: Source/core/paint/TableCellPainter.h
diff --git a/Source/core/paint/TableCellPainter.h b/Source/core/paint/TableCellPainter.h
index 1cc3c4d5b086fc611c644db8c2f820a39d1efd54..bebad50067321b3a5c5e15a25daa037c066cc969 100644
--- a/Source/core/paint/TableCellPainter.h
+++ b/Source/core/paint/TableCellPainter.h
@@ -6,6 +6,7 @@
 #define TableCellPainter_h
 
 #include "core/style/CollapsedBorderValue.h"
+#include "wtf/Allocator.h"
 
 namespace blink {
 
@@ -17,6 +18,7 @@ class LayoutObject;
 class ComputedStyle;
 
 class TableCellPainter {
+    STACK_ALLOCATED();
 public:
     TableCellPainter(LayoutTableCell& layoutTableCell) : m_layoutTableCell(layoutTableCell) { }