Do-not-commit: Count layout tree memory usage

third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h

Index: third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h
diff --git a/third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h b/third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h
index d5b97199af8b343d99a162dc15fc421f3bbfb367..6f76a43a9d7fd5d985828753ccb419e17bbad98b 100644
--- a/third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h
+++ b/third_party/WebKit/Source/core/layout/LayoutTableBoxComponent.h
@@ -35,6 +35,8 @@ class CORE_EXPORT LayoutTableBoxComponent : public LayoutBox {
     return children()->lastChild();
   }
 
+  char objectSize() const override { return sizeof(this); }
+
  private:
   // If you have a LayoutTableBoxComponent, use firstChild or lastChild instead.
   void slowFirstChild() const = delete;