Merge 107242 - Web Inspector: fix setOuterHTML for the case that adds / removes duplicate.

LayoutTests/inspector/elements/set-outer-html-2.html

Index: LayoutTests/inspector/elements/set-outer-html-2.html
===================================================================
--- LayoutTests/inspector/elements/set-outer-html-2.html	(revision 107556)
+++ LayoutTests/inspector/elements/set-outer-html-2.html	(working copy)
@@ -45,6 +45,11 @@
         {
             var text = InspectorTest.containerText + "<div>Additional node</div>";
             InspectorTest.setOuterHTML(text, next);
+        },
+
+        function testDupeNode(next)
+        {
+            InspectorTest.patchOuterHTML("<h2>Getting involved</h2>", "<h2>Getting involved</h2><h2>Getting involved</h2>", next);
         }
     ]);
 }
@@ -57,11 +62,8 @@
 </p>
 
 <div id="container" style="display:none">
-<h2>Welcome to the website for the WebKit Open Source Project!</h2>
-<p>WebKit is used by <a href="http://www.apple.com/safari/">Safari</a>, Dashboard, etc.</a>.</p>
-
+<p>WebKit is used by <a href="http://www.apple.com/safari/">Safari</a>, Dashboard, etc..</p>
 <h2>Getting involved</h2>
-<a href="http://nightly.webkit.org/"></a>
 <p id="identity">There are many ways to get involved. You can:</p>
 <ul>
    <li></li>