don't mention rootwidget in chrome yaml

OpenRA.Game/Widgets/Widget.cs

@@ -55,7 +55,10 @@ namespace OpenRA.Widgets
 				{
 					var widgetYaml = Game.Manifest.ChromeLayout.Select(a => MiniYaml.FromFile(a)).Aggregate(MiniYaml.Merge);
 
-					rootWidget = WidgetLoader.LoadWidget( widgetYaml.FirstOrDefault() );
+					rootWidget = new ContainerWidget();
+					foreach( var w in widgetYaml )
+						rootWidget.AddChild( WidgetLoader.LoadWidget( w ) );
+					
 					rootWidget.Initialize();
 					rootWidget.InitDelegates();
 				}

mods/ra/chrome/gamelobby.yaml

@@ -1,6 +1,4 @@
-Container@ROOT:
-	Children:
-		Background@SERVER_LOBBY:
+Background@SERVER_LOBBY:
 	Id:SERVER_LOBBY
 	Delegate:LobbyDelegate
 	X:(WINDOW_RIGHT - WIDTH)/2
@@ -347,7 +345,7 @@ Container@ROOT:
 					Width:260
 					Height:20
 					Ticks:5
-		Background@MAP_CHOOSER:
+Background@MAP_CHOOSER:
 	Id:MAP_CHOOSER
 	X:(WINDOW_RIGHT - WIDTH)/2
 	Y:(WINDOW_BOTTOM - HEIGHT)/2

mods/ra/chrome/ingame.yaml

@@ -1,6 +1,4 @@
-Container@ROOT:
-	Children:
-		Container@INGAME_ROOT:
+Container@INGAME_ROOT:
 	Id:INGAME_ROOT
 	Delegate:IngameChromeDelegate
 	Visible:false

mods/ra/chrome/mainmenu.yaml

@@ -1,6 +1,4 @@
-Container@ROOT:
-	Children:
-		Background@MAINMENU_BG:
+Background@MAINMENU_BG:
 	Id:MAINMENU_BG
 	X:(WINDOW_RIGHT - WIDTH)/2
 	Y:(WINDOW_BOTTOM - HEIGHT)/2
@@ -58,7 +56,7 @@ Container@ROOT:
 			Text:
 			Align:Right
 			Bold:True
-		Background@PERF_BG:
+Background@PERF_BG:
 	ClickThrough:true
 	Id:PERF_BG
 	Background:dialog4
@@ -81,7 +79,7 @@ Container@ROOT:
 			Y:205
 			Width:170
 			Height:40
-		Background@MUSIC_BG:
+Background@MUSIC_BG:
 	Id:MUSIC_BG
 	Delegate:MusicPlayerDelegate
 	X:WINDOW_RIGHT - 175

mods/ra/chrome/serverbrowser.yaml

@@ -1,6 +1,4 @@
-Container@ROOT:
-	Children:
-		Background@CREATESERVER_BG:
+Background@CREATESERVER_BG:
 	Id:CREATESERVER_BG
 	Delegate:CreateServerMenuDelegate
 	X:(WINDOW_RIGHT - WIDTH)/2
@@ -95,7 +93,7 @@ Container@ROOT:
 			Height:25
 			Text:Cancel
 			Bold:True
-		Background@JOINSERVER_BG:
+Background@JOINSERVER_BG:
 	Id:JOINSERVER_BG
 	Delegate:ServerBrowserDelegate
 	X:(WINDOW_RIGHT - WIDTH)/2
@@ -247,7 +245,7 @@ Container@ROOT:
 			Height:25
 			Text:Cancel
 			Bold:True
-		Background@DIRECTCONNECT_BG:
+Background@DIRECTCONNECT_BG:
 	Id:DIRECTCONNECT_BG
 	Delegate:ServerBrowserDelegate
 	X:(WINDOW_RIGHT - WIDTH)/2
@@ -296,7 +294,7 @@ Container@ROOT:
 			Height:25
 			Text:Cancel
 			Bold:True
-		Background@CONNECTION_FAILED_BG:
+Background@CONNECTION_FAILED_BG:
 	Id:CONNECTION_FAILED_BG
 	Delegate:ConnectionDialogsDelegate
 	X:(WINDOW_RIGHT - WIDTH)/2
@@ -338,7 +336,7 @@ Container@ROOT:
 			Height:25
 			Text:Cancel
 			Bold:True
-		Background@CONNECTING_BG:
+Background@CONNECTING_BG:
 	Id:CONNECTING_BG
 	Delegate:ConnectionDialogsDelegate
 	X:(WINDOW_RIGHT - WIDTH)/2

mods/ra/chrome/settings.yaml

@@ -1,6 +1,4 @@
-Container@ROOT:
-	Children:
-		Background@SETTINGS_MENU:
+Background@SETTINGS_MENU:
 	Id:SETTINGS_MENU
 	Delegate:SettingsMenuDelegate
 	X:(WINDOW_RIGHT - WIDTH)/2