| Index: tools/dom/scripts/dartmetadata.py | 
| diff --git a/tools/dom/scripts/dartmetadata.py b/tools/dom/scripts/dartmetadata.py | 
| index 8b6a4cda21c794226cbdeee04415981aacc58966..8fbc8aed039af62cea5fdec38533c7d9cd59cfac 100644 | 
| --- a/tools/dom/scripts/dartmetadata.py | 
| +++ b/tools/dom/scripts/dartmetadata.py | 
| @@ -133,6 +133,11 @@ _dart2js_annotations = monitored.Dict('dartmetadata._dart2js_annotations', { | 
| "@Creates('Null')", | 
| ], | 
|  | 
| +    'HTMLCanvasElement.getContext': [ | 
| +      "@Creates('CanvasRenderingContext2D|RenderingContext')", | 
| +      "@Returns('CanvasRenderingContext2D|RenderingContext|Null')", | 
| +    ], | 
| + | 
| 'HTMLInputElement.valueAsDate': [ | 
| "@Creates('Null')", # JS date object. | 
| ], | 
|  |