Deprecate the hspace/vspace attributes on table

Source/core/frame/UseCounter.cpp

Index: Source/core/frame/UseCounter.cpp
diff --git a/Source/core/frame/UseCounter.cpp b/Source/core/frame/UseCounter.cpp
index bf71ea3f018a47bdaf8c808d7ca5ee3bcfbe2ba0..19130d8e90260476ca791d431c77dc000baa39d1 100644
--- a/Source/core/frame/UseCounter.cpp
+++ b/Source/core/frame/UseCounter.cpp
@@ -745,6 +745,12 @@ String UseCounter::deprecationMessage(Feature feature)
     case WebSocketURL:
         return "'WebSocket.URL' is deprecated. Please use 'WebSocket.url' instead.";
 
+    case HTMLTableElementVspace:
+        return "The 'vspace' attribute on table is deprecated. Please use CSS instead.";
+
+    case HTMLTableElementHspace:
+        return "The 'hspace' attribute on table is deprecated. Please use CSS instead.";
+
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();