| Index: third_party/WebKit/Source/core/dom/shadow/InsertionPoint.h | 
| diff --git a/third_party/WebKit/Source/core/dom/shadow/InsertionPoint.h b/third_party/WebKit/Source/core/dom/shadow/InsertionPoint.h | 
| index fc20c3c498563662e5854d4ecc6aff6ee9c059b0..0d2e3cb8d1f2c769480c8b062b04a161f227aa73 100644 | 
| --- a/third_party/WebKit/Source/core/dom/shadow/InsertionPoint.h | 
| +++ b/third_party/WebKit/Source/core/dom/shadow/InsertionPoint.h | 
| @@ -58,6 +58,7 @@ class CORE_EXPORT InsertionPoint : public HTMLElement { | 
|  | 
| void AttachLayoutTree(const AttachContext& = AttachContext()) override; | 
| void DetachLayoutTree(const AttachContext& = AttachContext()) override; | 
| +  void RebuildDistributedChildrenLayoutTrees(); | 
|  | 
| size_t DistributedNodesSize() const { return distributed_nodes_.size(); } | 
| Node* DistributedNodeAt(size_t index) const { | 
|  |