Node.replaceChild with an empty DocumentFragment should not dispatch DOMSubtreeModified twice.

third_party/WebKit/LayoutTests/fast/loader/delete-inside-cancelTimer.html

Index: third_party/WebKit/LayoutTests/fast/loader/delete-inside-cancelTimer.html
diff --git a/third_party/WebKit/LayoutTests/fast/loader/delete-inside-cancelTimer.html b/third_party/WebKit/LayoutTests/fast/loader/delete-inside-cancelTimer.html
deleted file mode 100644
index 1a740938e0877492f0c60cfb3b1fba294ef9a799..0000000000000000000000000000000000000000
--- a/third_party/WebKit/LayoutTests/fast/loader/delete-inside-cancelTimer.html
+++ /dev/null
@@ -1,91 +0,0 @@
-<script>
-// This tests that we don't crash if a CachedResource load is cancelled due to the removal
-// of its last client, and it is deleted during cancellation. See crbug.com/258419
-
-if (window.testRunner) {
-    testRunner.dumpAsText();
-    testRunner.waitUntilDone();
-}
-
-var scripts = document.getElementsByTagName("script");
-for(var i = 0; i < scripts.length; i++) {
-    scripts[i].parentNode.removeChild(scripts[i]);
-}
-
-function rsc() {
-    document.execCommand("SelectAll", false)
-}
-document.addEventListener("readystatechange", rsc, false);
-
-var inSubtreeModified = false;
-var subtreeModifiedFiredCount = 0;
-function subtreeModified() {
-    if (subtreeModifiedFiredCount >= 20) {
-        if (window.testRunner)
-            testRunner.notifyDone();
-        return;
-    }
-    if (inSubtreeModified)
-        return;
-    subtreeModifiedFiredCount++;
-    inSubtreeModified = true;
-
-    document.execCommand("SelectAll", false)
-    window.getSelection().collapseToStart()
-    var targetElement = event.target;
-    if (targetElement.tagName != 'animateTransform')
-        targetElement.insertAdjacentText('afterbegin', '%')
-    var clonedNode = document.getElementsByTagName("*")[2].cloneNode(false);
-    try {
-        targetElement.insertAdjacentElement('afterend', clonedNode)
-    } catch(e) {
-    }
-    inSubtreeModified = false;
-}
-document.addEventListener("DOMSubtreeModified", subtreeModified, true);
-
-function load() {
-  var targetElement = event.target;
-  targetElement.insertAdjacentElement('afterend', document.createElementNS('http://www.w3.org/2000/svg', 'animateTransform'));
-  targetElement.parentNode.removeChild(targetElement)
-  targetElement.appendChild(document.createElementNS('http://www.w3.org/2000/svg', 'animateTransform'));
-
-  var all = document.getElementsByTagName("*");
-  all[70 % all.length].appendChild(targetElement)
-  targetElement.parentNode.removeChild(targetElement)
-
-  targetElement = document.importNode(targetElement, true)
-  var all = document.getElementsByTagName("*");
-  all[32 % all.length].appendChild(targetElement)
-  targetElement.insertAdjacentElement('beforeend', document.createElementNS('http://www.w3.org/2000/svg', 'animateTransform'))
-  if (targetElement.outerHTML)
-      targetElement.outerHTML = ""
-  var all = document.getElementsByTagName("*");
-  var newParent = all[66 % all.length];
-  newParent.insertBefore(targetElement, newParent.childNodes[98 % newParent.childNodes.length])
-}
-document.addEventListener("load", load, true);
-</script>
-<style>
-*{zoom:5%;}
-.CLASS13{white-space:pre-wrap;background-image:url('?');</style>
-<link>
-<object>
-<table>
-<caption>
-<textarea></textarea>
-<button>
-<em></em>
-<div>
-<h1 class="CLASS13">
-<span></span>
-<form></svg>
-<ruby>
-<rb<select tabindex="-1">
-<optgroup>
-<option>
-<rt>
-<select>
-<optgroup></optgroup>
-<option>
-<option>