| Index: tools/dom/templates/html/impl/impl_CanvasRenderingContext2D.darttemplate | 
| diff --git a/tools/dom/templates/html/impl/impl_CanvasRenderingContext2D.darttemplate b/tools/dom/templates/html/impl/impl_CanvasRenderingContext2D.darttemplate | 
| index bd70659e1e10e3578bd0fae4ace7c9411f527862..41b238e343e290854b0b62f2cf10b67ed306d377 100644 | 
| --- a/tools/dom/templates/html/impl/impl_CanvasRenderingContext2D.darttemplate | 
| +++ b/tools/dom/templates/html/impl/impl_CanvasRenderingContext2D.darttemplate | 
| @@ -280,7 +280,7 @@ $if DART2JS | 
| @DomName('CanvasRenderingContext2D.lineDashOffset') | 
| // TODO(14316): Firefox has this functionality with mozDashOffset, but it | 
| // needs to be polyfilled. | 
| -  set lineDashOffset(num value) { | 
| +  void set lineDashOffset(num value) { | 
| JS('void', | 
| 'typeof #.lineDashOffset != "undefined" ? #.lineDashOffset = # : ' | 
| '#.webkitLineDashOffset = #', this, this, value, this, value); | 
|  |