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

js/src/xpconnect/src/dom_quickstubs.qsconf

@@ -672,13 +672,7 @@ customMethodCalls = {
     'nsIDOMCanvasRenderingContext2D_FillStyle': { 'skipgen': True },
     'nsIDOMCSS2Properties_': CSS2Properties_,
     'nsIDOMNSCSS2Properties_': CSS2Properties_,
-    'nsIDOMNSElement_GetClientRects': {
-        'thisType': 'nsGenericElement'
-        },
-    'nsIDOMNSElement_GetBoundingClientRect': {
-        'thisType': 'nsGenericElement'
-        },
-    'nsIDOMNSElement_GetElementsByClassName': {
+    'nsIDOMNSElement_': {
         'thisType': 'nsGenericElement'
         },
     'nsIDOMNSElement_GetScrollWidth': {