| Index: third_party/WebKit/Source/core/testing/Internals.idl
 | 
| diff --git a/third_party/WebKit/Source/core/testing/Internals.idl b/third_party/WebKit/Source/core/testing/Internals.idl
 | 
| index 5a04edc91f18349df7b7cb731a8d9204365d0324..0f83ce648b3d051c523386b13b0c6f3f2ff0c903 100644
 | 
| --- a/third_party/WebKit/Source/core/testing/Internals.idl
 | 
| +++ b/third_party/WebKit/Source/core/testing/Internals.idl
 | 
| @@ -187,6 +187,8 @@
 | 
|      const unsigned short LAYER_TREE_INCLUDES_ROOT_LAYER = 8;
 | 
|      const unsigned short LAYER_TREE_INCLUDES_CLIP_AND_SCROLL_PARENTS = 16;
 | 
|      const unsigned short LAYER_TREE_INCLUDES_COMPOSITING_REASONS = 32;
 | 
| +    const unsigned short OUTPUT_CHILDREN_AS_LAYER_LIST = 64;
 | 
| +
 | 
|      [RaisesException] DOMString layerTreeAsText(Document document, optional unsigned short flags);
 | 
|      [RaisesException] DOMString elementLayerTreeAsText(Element element, optional unsigned short flags);
 | 
|  
 | 
| 
 |