Merge 138165

LayoutTests/fast/dom/shadow/shadow-root-js-api.html

Index: LayoutTests/fast/dom/shadow/shadow-root-js-api.html
===================================================================
--- LayoutTests/fast/dom/shadow/shadow-root-js-api.html	(revision 138923)
+++ LayoutTests/fast/dom/shadow/shadow-root-js-api.html	(working copy)
@@ -14,10 +14,17 @@
 
 if (window.testRunner)
     testRunner.dumpAsText();
+
+shouldBeUndefined("window.ShadowRoot");
+shouldBeDefined("window.WebKitShadowRoot");
+shouldThrow("new window.WebKitShadowRoot(document.createElement('div'))");
+
 var shadowHost = document.createElement('div');
 document.body.appendChild(shadowHost);
 var shadowRoot = shadowHost.webkitCreateShadowRoot();
 
+shouldBeTrue("shadowRoot instanceof window.WebKitShadowRoot");
+
 var div1 = document.createElement("div");
 div1.setAttribute("id", "div1");
 shadowRoot.appendChild(div1);