Make Range.detach() a no-op

LayoutTests/fast/dom/Range/detach-no-op-expected.txt

Index: LayoutTests/fast/dom/Range/detach-no-op-expected.txt
diff --git a/LayoutTests/fast/dom/Range/detach-no-op-expected.txt b/LayoutTests/fast/dom/Range/detach-no-op-expected.txt
new file mode 100644
index 0000000000000000000000000000000000000000..e7d47cff3157d17b5b1635449285efa354af4d9e
--- /dev/null
+++ b/LayoutTests/fast/dom/Range/detach-no-op-expected.txt
@@ -0,0 +1,23 @@
+CONSOLE WARNING: 'Range.detach' is now a no-op, as per DOM (http://dom.spec.whatwg.org/#dom-range-detach).
+Tests that Range.detach() is a no-op.
+
+On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
+
+
+PASS range.startContainer is link
+PASS range.startOffset is 0
+PASS range.endContainer is link
+PASS range.endOffset is 0
+PASS range.collapsed is true
+PASS range.commonAncestorContainer is link
+PASS range.detach() did not throw exception.
+PASS range.startContainer is link
+PASS range.startOffset is 0
+PASS range.endContainer is link
+PASS range.endOffset is 0
+PASS range.collapsed is true
+PASS range.commonAncestorContainer is link
+PASS successfullyParsed is true
+
+TEST COMPLETE
+testlink