Regenerate the wrapperless DOM again.

client/html/generated/html/dartium/IDBIndex.dart

 
 class _IDBIndexImpl extends _DOMTypeBase implements IDBIndex {
   _IDBIndexImpl._wrap(ptr) : super._wrap(ptr);
 
   String get keyPath() => _wrap(_ptr.keyPath);
 
   bool get multiEntry() => _wrap(_ptr.multiEntry);
 
   String get name() => _wrap(_ptr.name);
 
   IDBObjectStore get objectStore() => _wrap(_ptr.objectStore);
 
   bool get unique() => _wrap(_ptr.unique);
 
-  IDBRequest count([IDBKeyRange range = null]) {
-    if (range === null) {
+  IDBRequest count([var key_OR_range = null]) {
+    if (key_OR_range === null) {
       return _wrap(_ptr.count());
     } else {
-      return _wrap(_ptr.count(_unwrap(range)));
+      if (key_OR_range is IDBKeyRange) {
+        return _wrap(_ptr.count(_unwrap(key_OR_range)));
+      } else {
+        if (key_OR_range is IDBKey) {
+          return _wrap(_ptr.count(_unwrap(key_OR_range)));
+        }
+      }
     }
+    throw "Incorrect number or type of arguments";
   }
 
   IDBRequest getObject(IDBKey key) {
     return _wrap(_ptr.getObject(_unwrap(key)));
   }
 
   IDBRequest getKey(IDBKey key) {
     return _wrap(_ptr.getKey(_unwrap(key)));
   }
 
@@ skipping 20 matching lines @@
     } else {
       if (direction === null) {
         return _wrap(_ptr.openKeyCursor(_unwrap(range)));
       } else {
         return _wrap(_ptr.openKeyCursor(_unwrap(range), _unwrap(direction)));
       }
     }
     throw "Incorrect number or type of arguments";
   }
 }