Make Range.detach() a no-op

Source/core/frame/UseCounter.cpp

Index: Source/core/frame/UseCounter.cpp
diff --git a/Source/core/frame/UseCounter.cpp b/Source/core/frame/UseCounter.cpp
index 01c94e3c8a287e962a1c354e482a60f3b944dddc..7b50dc1e8075f15f557ac390bdf5d818aeb7a4f0 100644
--- a/Source/core/frame/UseCounter.cpp
+++ b/Source/core/frame/UseCounter.cpp
@@ -716,6 +716,9 @@ String UseCounter::deprecationMessage(Feature feature)
     case ElementSetAttributeNodeNS:
         return "'Element.setAttributeNodeNS' is deprecated and has been removed from DOM4 (http://w3.org/tr/dom).";
 
+    case RangeDetach:
+        return "'Range.detach' is now a no-op, as per DOM4 (http://dom.spec.whatwg.org/#dom-range-detach).";

[tkent, 2014/04/28 08:50:50]

It's not DOM*4*.

[Inactive, 2014/04/28 14:44:18]

Done.

+
     // Features that aren't deprecated don't have a deprecation message.
     default:
         return String();