WIP: Surface Synchronization System

ui/aura/mus/window_tree_host_mus.cc

Index: ui/aura/mus/window_tree_host_mus.cc
diff --git a/ui/aura/mus/window_tree_host_mus.cc b/ui/aura/mus/window_tree_host_mus.cc
index 2f5497cb1b7a68d6949bd5916cff16571617b8c9..d1607bdd0fc95bcfc94b19230d967c9a66174d74 100644
--- a/ui/aura/mus/window_tree_host_mus.cc
+++ b/ui/aura/mus/window_tree_host_mus.cc
@@ -49,6 +49,8 @@ WindowTreeHostMus::WindowTreeHostMus(
   // TODO(sky): find a cleaner way to set this! Better solution is to likely
   // have constructor take aura::Window.
   WindowPortMus::Get(window())->window_ = window();
+  fprintf(stderr, ">>>WindowTreeHostMus server_id: %d window_type: %d\n",
+          WindowPortMus::Get(window())->server_id(), window()->type());
   if (properties) {
     // Apply the properties before initializing the window, that way the
     // server seems them at the time the window is created.