Add use counters for the hspace/vspace attributes on <table>

Source/core/html/HTMLTableElement.cpp

Index: Source/core/html/HTMLTableElement.cpp
diff --git a/Source/core/html/HTMLTableElement.cpp b/Source/core/html/HTMLTableElement.cpp
index 43a5367a9b34be449ae6902c0da1fc6c44467118..977949bdd3c40cd882681bf9e750bfd5d56f285b 100644
--- a/Source/core/html/HTMLTableElement.cpp
+++ b/Source/core/html/HTMLTableElement.cpp
@@ -36,6 +36,7 @@
 #include "core/dom/Attribute.h"
 #include "core/dom/ElementTraversal.h"
 #include "core/dom/ExceptionCode.h"
+#include "core/frame/UseCounter.h"
 #include "core/html/HTMLTableCaptionElement.h"
 #include "core/html/HTMLTableCellElement.h"
 #include "core/html/HTMLTableRowElement.h"
@@ -316,9 +317,11 @@ void HTMLTableElement::collectStyleForPresentationAttribute(const QualifiedName&
         if (!value.isEmpty())
             addHTMLLengthToStyle(style, CSSPropertyBorderSpacing, value);
     } else if (name == vspaceAttr) {
+        UseCounter::count(document(), UseCounter::HTMLTableElementVspace);
         addHTMLLengthToStyle(style, CSSPropertyMarginTop, value);
         addHTMLLengthToStyle(style, CSSPropertyMarginBottom, value);
     } else if (name == hspaceAttr) {
+        UseCounter::count(document(), UseCounter::HTMLTableElementHspace);
         addHTMLLengthToStyle(style, CSSPropertyMarginLeft, value);
         addHTMLLengthToStyle(style, CSSPropertyMarginRight, value);
     } else if (name == alignAttr) {