Fix for bug 560462 (Use fast unwrapping for more quickstubs), part 3f - use fast unwrapping for nsIDOM3Text_. r=jst.

js/src/xpconnect/src/dom_quickstubs.qsconf

@@ -713,6 +713,9 @@ customMethodCalls = {
         'code': '    PRBool result = self->MozMatchesSelector(arg0);',
         'canFail': False
         },
+    'nsIDOM3Text_': {
+        'thisType': 'nsGenericTextNode'
+        },
     'nsIDOM3Text_IsElementContentWhitespace': {
         'thisType': 'nsGenericTextNode',
         'code': '    PRBool result = self->IsElementContentWhitespace();',
@@ -723,9 +726,6 @@ customMethodCalls = {
         'code': '    nsIContent* result = '
                 'self->ReplaceWholeText(PromiseFlatString(arg0), &rv);'
         },
-    'nsIDOM3Text_WholeText': {
-        'thisType': 'nsGenericTextNode'
-        },
     'nsIDOMNodeSelector_QuerySelector': {
         'thisType': 'nsINode',
         'code': '    nsIContent* result = '