Removes ash::mus::RootWindowController

ash/mus/window_manager.h

Index: ash/mus/window_manager.h
diff --git a/ash/mus/window_manager.h b/ash/mus/window_manager.h
index ec6dfc8996fa23265012d7720e47ed2dd56d70b2..6936f926afe6e82032affe74f13376bd6a98791b 100644
--- a/ash/mus/window_manager.h
+++ b/ash/mus/window_manager.h
@@ -41,13 +41,13 @@ class WMState;
 
 namespace ash {
 
+class RootWindowController;
 class ScreenMus;
 class SystemTrayDelegate;
 
 namespace mus {
 
 class AcceleratorHandler;
-class RootWindowController;
 class ShadowController;
 class WmLookupMus;
 class WmTestHelper;
@@ -84,11 +84,6 @@ class WindowManager : public aura::WindowManagerDelegate,
     return property_converter_.get();
   }
 
-  // Creates a new top level window.
-  aura::Window* NewTopLevelWindow(
-      ui::mojom::WindowType window_type,
-      std::map<std::string, std::vector<uint8_t>>* properties);
-
   std::set<RootWindowController*> GetRootWindowControllers();
 
   // Returns the next accelerator namespace id by value in |id|. Returns true
@@ -116,7 +111,7 @@ class WindowManager : public aura::WindowManagerDelegate,
   void CreateShell(
       std::unique_ptr<aura::WindowTreeHostMus> primary_window_tree_host);
 
-  void CreateRootWindowController(
+  void CreateAndRegisterRootWindowController(
       std::unique_ptr<aura::WindowTreeHostMus> window_tree_host,
       const display::Display& display,
       ash::RootWindowController::RootWindowType root_window_type);
@@ -130,11 +125,6 @@ class WindowManager : public aura::WindowManagerDelegate,
 
   RootWindowController* GetPrimaryRootWindowController();
 
-  // Returns the RootWindowController where new top levels are created.
-  // |properties| is the properties supplied during window creation.
-  RootWindowController* GetRootWindowControllerForNewTopLevelWindow(
-      std::map<std::string, std::vector<uint8_t>>* properties);
-
   // WindowTreeClientDelegate:
   void OnEmbed(
       std::unique_ptr<aura::WindowTreeHostMus> window_tree_host) override;