Regenerate dart:dom and dart:html bindings

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

Index: client/html/generated/html/dartium/IDBIndex.dart
diff --git a/client/html/generated/html/dartium/IDBIndex.dart b/client/html/generated/html/dartium/IDBIndex.dart
index 5ee2081af33d06658a9c616bd2e625ba473f0b41..2820223ac3b976d3d0fc6a80043ad8b83e8ce029 100644
--- a/client/html/generated/html/dartium/IDBIndex.dart
+++ b/client/html/generated/html/dartium/IDBIndex.dart
@@ -12,12 +12,19 @@ class _IDBIndexImpl extends _DOMTypeBase implements IDBIndex {
 
   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) {