Hide location bar on Javascript-initiated scroll.

cc/trees/layer_tree_host.cc

Index: cc/trees/layer_tree_host.cc
diff --git a/cc/trees/layer_tree_host.cc b/cc/trees/layer_tree_host.cc
index 708318756cfd4c9ee5694ae3748f6305ad1aaf53..4ce71b7bbd48d92a35942ffec7d79168387087b7 100644
--- a/cc/trees/layer_tree_host.cc
+++ b/cc/trees/layer_tree_host.cc
@@ -1051,8 +1051,8 @@ void LayerTreeHost::SetDeviceScaleFactor(float device_scale_factor) {
   SetNeedsCommit();
 }
 
-void LayerTreeHost::UpdateTopControlsState(bool enable_hiding,
-                                           bool enable_showing,
+void LayerTreeHost::UpdateTopControlsState(TopControlsState constraints,
+                                           TopControlsState current,
                                            bool animate) {
   if (!settings_.calculate_top_controls_position)
     return;
@@ -1061,8 +1061,8 @@ void LayerTreeHost::UpdateTopControlsState(bool enable_hiding,
   proxy_->ImplThread()->PostTask(
       base::Bind(&TopControlsManager::UpdateTopControlsState,
                  top_controls_manager_weak_ptr_,
-                 enable_hiding,
-                 enable_showing,
+                 constraints,
+                 current,
                  animate));
 }