[WIP] ScreenManager: Add an external window mode

services/ui/service.cc

Index: services/ui/service.cc
diff --git a/services/ui/service.cc b/services/ui/service.cc
index 2e789c8993b200daa95639205ac51ec0ed0c29a5..4488b9f1f51815213b341102c98fffb20da005f0 100644
--- a/services/ui/service.cc
+++ b/services/ui/service.cc
@@ -230,8 +230,11 @@ bool Service::OnConnect(const service_manager::ServiceInfo& remote_info,
   return true;
 }
 
-void Service::StartDisplayInit() {
-  screen_manager_->Init(window_server_->display_manager());
+void Service::StartDisplayInit(bool window_manager_connected) {
+  screen_manager_->Init(window_server_->display_manager(),

[rjkroege, 2017/01/23 21:19:43]

I have a mild preference for using if here with the expectation that this might
become more involved.

[fwang, 2017/01/24 17:11:51]

Done.

+                        window_manager_connected
+                            ? display::ScreenManager::WINDOW_MODE_INTERNAL
+                            : display::ScreenManager::WINDOW_MODE_EXTERNAL);
 }
 
 void Service::OnFirstDisplayReady() {