Moves WindowManagerInternal* into own .mojom

mojo/services/public/interfaces/window_manager/window_manager.mojom

Index: mojo/services/public/interfaces/window_manager/window_manager.mojom
diff --git a/mojo/services/public/interfaces/window_manager/window_manager.mojom b/mojo/services/public/interfaces/window_manager/window_manager.mojom
index 80e3d243e578dca1228e5198657abb33bdc5d061..754f1ed8422b033c6ef1e171c0ed683439c8d7bb 100644
--- a/mojo/services/public/interfaces/window_manager/window_manager.mojom
+++ b/mojo/services/public/interfaces/window_manager/window_manager.mojom
@@ -13,26 +13,4 @@ interface WindowManager {
   Embed(string url, ServiceProvider&? service_provider);
 };
 
-// WindowManagerInternalService provides high level window management policies
-// and is used by the ViewManager. This interface is marked as internal as only
-// the view manager is allowed to connect to this.
-[Client=WindowManagerInternalClient]
-interface WindowManagerInternalService {
-  // Called when an input event is received from the native system. It's
-  // expected that when this is received the WindowManagerInternalService will
-  // call back to WindowManagerInternalServieClient will call
-  // DispatchInputEventToView().
-  // TODO(sky): nuke this and instead have an interface specifically for
-  // dispatching events in the NativeViewportService.
-  OnViewInputEvent(mojo.Event event);
-};
-
-// ViewManager provides this interface for functionality only exposed to the
-// WindowManagerInternalServie.
-[Client=WindowManagerInternalService]
-interface WindowManagerInternalClient {
-  // Dispatches the specified input event to the specified view.
-  DispatchInputEventToView(uint32 view_id, mojo.Event event);
-};
-
 }