DO NOT MERGE: Fix top_controls_manager to stay hidden

cc/trees/layer_tree_host_impl.cc

Index: cc/trees/layer_tree_host_impl.cc
diff --git a/cc/trees/layer_tree_host_impl.cc b/cc/trees/layer_tree_host_impl.cc
index d89bad30481ac47b8f9aaf27ccbaa723e278c452..3c689f1a2bf8aa0d6b10a56ca0eb2d8ce9a1b0c2 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -1773,11 +1773,13 @@ void LayerTreeHostImpl::ActivateSyncTree() {
         root_layer_scroll_offset_delegate_);
 
     if (top_controls_manager_) {
-      top_controls_manager_->SetTopControlsHeight(
-          active_tree_->top_controls_height());
+      // The order here should be kept in order to prevent top controls from
+      // showing in the hidden state.
       top_controls_manager_->SetControlsTopOffset(
           active_tree_->total_top_controls_content_offset() -
           active_tree_->top_controls_height());
+      top_controls_manager_->SetTopControlsHeight(
+          active_tree_->top_controls_height());
     }
 
     UpdateViewportContainerSizes();