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

Source/core/paint/TableRowPainter.h

Index: Source/core/paint/TableRowPainter.h
diff --git a/Source/core/paint/TableRowPainter.h b/Source/core/paint/TableRowPainter.h
index 2220829f238fbfb2adcacc67f091d5913391ebab..f32d6e716f7299b25d12d8102b376720f5ff1212 100644
--- a/Source/core/paint/TableRowPainter.h
+++ b/Source/core/paint/TableRowPainter.h
@@ -6,10 +6,12 @@
 #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) { }