Revert of Implement /content/ combinator.

LayoutTests/fast/dom/shadow/content-pseudo-element-with-any.html

Index: LayoutTests/fast/dom/shadow/content-pseudo-element-with-any.html
diff --git a/LayoutTests/fast/dom/shadow/distributed-pseudo-element-with-any.html b/LayoutTests/fast/dom/shadow/content-pseudo-element-with-any.html
similarity index 86%
copy from LayoutTests/fast/dom/shadow/distributed-pseudo-element-with-any.html
copy to LayoutTests/fast/dom/shadow/content-pseudo-element-with-any.html
index 3ca235a43db3f7b3b79b9ae4cc97a837e8c6a8e7..bb12f11d16c5620e804c0bcd7827b9d0dc6ea6ed 100644
--- a/LayoutTests/fast/dom/shadow/distributed-pseudo-element-with-any.html
+++ b/LayoutTests/fast/dom/shadow/content-pseudo-element-with-any.html
@@ -7,13 +7,13 @@
 <div id="sandbox"></div>
 <script>
 var shadowStyle1 = document.createElement('style');
-shadowStyle1.innerHTML = '*::-webkit-distributed(div) { color: green; }';
+shadowStyle1.innerHTML = '*::content div { color: green; }';
 
 var shadowStyle2 = document.createElement('style');
-shadowStyle2.innerHTML = 'content::-webkit-distributed(*) { color: red; }';
+shadowStyle2.innerHTML = 'content::content * { color: red; }';
 
 var shadowStyle3 = document.createElement('style');
-shadowStyle3.innerHTML = '*::-webkit-distributed(*) { color: blue; }';
+shadowStyle3.innerHTML = '*::content * { color: blue; }';
 
 var sandbox = document.getElementById('sandbox');
 sandbox.appendChild(