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

Source/core/paint/DeprecatedPaintLayerReflectionInfo.h

Index: Source/core/paint/DeprecatedPaintLayerReflectionInfo.h
diff --git a/Source/core/paint/DeprecatedPaintLayerReflectionInfo.h b/Source/core/paint/DeprecatedPaintLayerReflectionInfo.h
index 7c7c41dac9ebd6991285d3102da2b7ba51dd1d57..f3b89e955dfbbf027ba8c42fb443ea12cb7b0aa3 100644
--- a/Source/core/paint/DeprecatedPaintLayerReflectionInfo.h
+++ b/Source/core/paint/DeprecatedPaintLayerReflectionInfo.h
@@ -47,6 +47,7 @@
 
 #include "core/layout/LayoutBoxModelObject.h"
 #include "core/paint/DeprecatedPaintLayerPaintingInfo.h"
+#include "wtf/Allocator.h"
 #include "wtf/Noncopyable.h"
 
 namespace blink {
@@ -55,6 +56,7 @@ class DeprecatedPaintLayer;
 class LayoutReplica;
 
 class DeprecatedPaintLayerReflectionInfo {
+    WTF_MAKE_FAST_ALLOCATED(DeprecatedPaintLayerReflectionInfo);
     WTF_MAKE_NONCOPYABLE(DeprecatedPaintLayerReflectionInfo);
 public:
     explicit DeprecatedPaintLayerReflectionInfo(LayoutBox&);