Chromium Code Reviews| Index: Source/core/testing/Internals.idl | 
| diff --git a/Source/core/testing/Internals.idl b/Source/core/testing/Internals.idl | 
| index 5a6847ba3a98d71b491fbc2124bd694df5378c73..b9d58385afc93036e28c54c8200ab366fa4899e5 100644 | 
| --- a/Source/core/testing/Internals.idl | 
| +++ b/Source/core/testing/Internals.idl | 
| @@ -265,4 +265,6 @@ | 
| [RaisesException] ClientRect selectionBounds(); | 
| boolean loseSharedGraphicsContext3D(); | 
| + | 
| + [RaisesException] void forceCompositingUpdate(Document document); | 
| }; |