[WIP] ScreenManager: Add an external window mode

services/ui/ws/test_utils.cc

Index: services/ui/ws/test_utils.cc
diff --git a/services/ui/ws/test_utils.cc b/services/ui/ws/test_utils.cc
index 38df6fa8d054985a91b2e1c85346371230ae3adb..33e11b91e52d2948712dd13537bcd7f0c9ebce32 100644
--- a/services/ui/ws/test_utils.cc
+++ b/services/ui/ws/test_utils.cc
@@ -127,7 +127,8 @@ void TestScreenManager::RemoveDisplay(int64_t id) {
   display_ids_.erase(id);
 }
 
-void TestScreenManager::Init(display::ScreenManagerDelegate* delegate) {
+void TestScreenManager::Init(display::ScreenManagerDelegate* delegate,
+                             WindowMode window_mode) {
   // Reset
   delegate_ = delegate;
   display_ids_.clear();
@@ -455,7 +456,8 @@ mojom::WindowTreeClient* TestWindowTreeBinding::CreateClientForShutdown() {
 TestWindowServerDelegate::TestWindowServerDelegate() {}
 TestWindowServerDelegate::~TestWindowServerDelegate() {}
 
-void TestWindowServerDelegate::StartDisplayInit() {}
+void TestWindowServerDelegate::StartDisplayInit(bool window_manager_connected) {
+}
 
 void TestWindowServerDelegate::OnNoMoreDisplays() {
   got_on_no_more_displays_ = true;