| Index: cc/scrollbar_layer_impl.cc | 
| diff --git a/cc/scrollbar_layer_impl.cc b/cc/scrollbar_layer_impl.cc | 
| index c44ace4144478e11900436f6bea8a4319722bf10..55ab180de80402e38bdfee2fe8372468b9322fef 100644 | 
| --- a/cc/scrollbar_layer_impl.cc | 
| +++ b/cc/scrollbar_layer_impl.cc | 
| @@ -4,6 +4,7 @@ | 
|  | 
| #include "cc/scrollbar_layer_impl.h" | 
|  | 
| +#include "cc/layer.h" | 
| #include "cc/layer_tree_impl.h" | 
| #include "cc/layer_tree_settings.h" | 
| #include "cc/quad_sink.h" | 
| @@ -39,7 +40,7 @@ ScrollbarLayerImpl::ScrollbarLayerImpl( | 
| current_pos_(0), | 
| total_size_(0), | 
| maximum_(0), | 
| -      scroll_layer_id_(-1), | 
| +      scroll_layer_id_(Layer::INVALID_ID), | 
| scrollbar_overlay_style_(WebScrollbar::ScrollbarOverlayStyleDefault), | 
| orientation_(WebScrollbar::Horizontal), | 
| control_size_(WebScrollbar::RegularScrollbar), | 
|  |