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

Source/core/paint/LayoutObjectDrawingRecorder.h

Index: Source/core/paint/LayoutObjectDrawingRecorder.h
diff --git a/Source/core/paint/LayoutObjectDrawingRecorder.h b/Source/core/paint/LayoutObjectDrawingRecorder.h
index 6438e65187fb662393470a266e728e3e07af29c8..e9fae0c49002f07299ef268b8ed6089d8bf6641a 100644
--- a/Source/core/paint/LayoutObjectDrawingRecorder.h
+++ b/Source/core/paint/LayoutObjectDrawingRecorder.h
@@ -10,6 +10,7 @@
 #include "platform/geometry/LayoutRect.h"
 #include "platform/graphics/paint/DisplayItemCacheSkipper.h"
 #include "platform/graphics/paint/DrawingRecorder.h"
+#include "wtf/Allocator.h"
 #include "wtf/Optional.h"
 
 namespace blink {
@@ -18,6 +19,7 @@ class GraphicsContext;
 
 // Convenience wrapper of DrawingRecorder for LayoutObject painters.
 class LayoutObjectDrawingRecorder final {
+    ALLOW_ONLY_INLINE_ALLOCATION();
 public:
     static bool useCachedDrawingIfPossible(GraphicsContext& context, const LayoutObject& layoutObject, DisplayItem::Type displayItemType)
     {