| Index: LayoutTests/fast/css/invalidation/content-attr-style-addition.html
 | 
| diff --git a/LayoutTests/fast/css/invalidation/content-attr-style-addition.html b/LayoutTests/fast/css/invalidation/content-attr-style-addition.html
 | 
| new file mode 100644
 | 
| index 0000000000000000000000000000000000000000..37f0c123bd75d79f4aafce1aea31dcc910f79942
 | 
| --- /dev/null
 | 
| +++ b/LayoutTests/fast/css/invalidation/content-attr-style-addition.html
 | 
| @@ -0,0 +1,15 @@
 | 
| +<!DOCTYPE html>
 | 
| +<style>
 | 
| +    #target::before { content: "FAIL (string) "; }
 | 
| +</style>
 | 
| +<div id="target" my-attr="FAIL (attribute) ">test</div>
 | 
| +<script>
 | 
| +onload = function(){
 | 
| +    var s = document.createElement("style");
 | 
| +    s.textContent = "#target::before { content: attr(my-attr); }"
 | 
| +    var head = document.querySelector("head");
 | 
| +    head.appendChild(s);
 | 
| +    target.offsetTop;
 | 
| +    target.setAttribute("my-attr", "PASS ");
 | 
| +};
 | 
| +</script>
 | 
| 
 |