| Index: sdk/lib/html/idl/dart/dart.idl | 
| diff --git a/sdk/lib/html/idl/dart/dart.idl b/sdk/lib/html/idl/dart/dart.idl | 
| index 1c974689d761c397f77bc806d664d92144eebdc3..74f7e9668c565f3e32d94337dcfa9eff70df8e87 100644 | 
| --- a/sdk/lib/html/idl/dart/dart.idl | 
| +++ b/sdk/lib/html/idl/dart/dart.idl | 
| @@ -311,6 +311,9 @@ module html { | 
| // Provide missing constructor signature. | 
| Constructor([Optional] in HTMLFormElement form)] | 
| interface DOMFormData { | 
| +      [Suppressed] void append(in DOMString name, in DOMString value, in DOMString filename); | 
| +      [Custom] void append(in DOMString name, in DOMString value); | 
| +      [Custom] void append(in DOMString name, in Blob value, [Optional] in DOMString filename); | 
| }; | 
| } | 
|  | 
|  |