Index: cc/trees/layer_tree_host_impl.h |
diff --git a/cc/trees/layer_tree_host_impl.h b/cc/trees/layer_tree_host_impl.h |
index 6e52d0ffb7dd2f92dc25baecd0cf3120e33fc541..69ac5e50d474c0bf6a958150f1abc8b9cb759448 100644 |
--- a/cc/trees/layer_tree_host_impl.h |
+++ b/cc/trees/layer_tree_host_impl.h |
@@ -710,6 +710,8 @@ class CC_EXPORT LayerTreeHostImpl |
void ImageDecodeFinished(const base::Callback<void(bool)>& embedder_callback, |
bool decode_succeeded); |
+ void UpdateScrollSourceInfo(bool is_wheel_scroll); |
+ |
using UIResourceMap = std::unordered_map<UIResourceId, UIResourceData>; |
UIResourceMap ui_resource_map_; |
@@ -854,6 +856,10 @@ class CC_EXPORT LayerTreeHostImpl |
// begin main frame. These callbacks must only be called on the main thread. |
std::vector<base::Closure> completed_image_decode_callbacks_; |
+ // This is used to transfer usage of touch and wheel scrolls to the main |
+ // thread. |
+ uint32_t scroll_source_info_; |
+ |
DISALLOW_COPY_AND_ASSIGN(LayerTreeHostImpl); |
}; |