| Index: cc/layers/scrollbar_layer_unittest.cc | 
| diff --git a/cc/layers/scrollbar_layer_unittest.cc b/cc/layers/scrollbar_layer_unittest.cc | 
| index fdffcfa61cdb2504e635b6869722d067d775c910..7ccb44b9e78d406b5644328e3c76055d434f53e7 100644 | 
| --- a/cc/layers/scrollbar_layer_unittest.cc | 
| +++ b/cc/layers/scrollbar_layer_unittest.cc | 
| @@ -632,7 +632,9 @@ class FakeLayerTreeHost : public LayerTreeHost { | 
| next_id_(1), | 
| total_ui_resource_created_(0), | 
| total_ui_resource_deleted_(0) { | 
| -    InitializeSingleThreaded(client, base::MessageLoopProxy::current()); | 
| +    InitializeSingleThreaded(client, | 
| +                             base::MessageLoopProxy::current(), | 
| +                             nullptr); | 
| } | 
|  | 
| virtual UIResourceId CreateUIResource(UIResourceClient* content) override { | 
|  |