Make compositor initialize top controls to be shown.

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 fe08825927b101acaa91ff6d03e2b1fab00f0c61..816fe7a07c3b204551fe357c1475fe577b4d93a4 100644
--- a/cc/trees/layer_tree_host_impl.cc
+++ b/cc/trees/layer_tree_host_impl.cc
@@ -284,6 +284,12 @@ LayerTreeHostImpl::LayerTreeHostImpl(
                                    settings.top_controls_height,
                                    settings.top_controls_show_threshold,
                                    settings.top_controls_hide_threshold);
+
+    // TODO(bokan): This is a quick fix. The browser should lock the top
+    // controls to shown on creation but this appears not to work. Tracked
+    // in crbug.com/417680.
+    // Initialize with top controls showing.
+    SetControlsTopOffset(0.f);
   }
 }