Revert "Update mojo sdk to rev 8d45c89c30b230843c5bd6dd0693a555750946c0"

third_party/mojo_services/src/window_manager/public/interfaces/window_manager.mojom

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 module mojo;
 
 import "input_events/public/interfaces/input_events.mojom";
 import "mojo/public/interfaces/application/service_provider.mojom";
 
+[Client=WindowManagerClient]
 interface WindowManager {
   // Requests the WindowManager to embed the app for |url| at an appropriate
   // View. See ViewMangerService::Embed() for details on |services| and
   // |exposed_services|.
-  Embed(string url,
-        ServiceProvider&? services,
-        ServiceProvider? exposed_services);
+  Embed(string url, ServiceProvider&? services, ServiceProvider? exposed_services);
 
   SetCapture(uint32 view_id) => (bool success);
   FocusWindow(uint32 view_id) => (bool success);
   ActivateWindow(uint32 view_id) => (bool success);
 
-  // Requests the current focus and activation state and an interface to observe
-  // future changes.
-  // If |observer| is not null capture, focus and activation updates will be
-  // sent to it.
-  GetFocusedAndActiveViews(WindowManagerObserver? observer)
-      => (uint32 capture_view_id,
-          uint32 focused_view_id,
-          uint32 active_view_id);
+  GetFocusedAndActiveViews() => (uint32 focused_view_id, uint32 active_view_id);
 };
 
-interface WindowManagerObserver {
-  OnCaptureChanged(uint32 capture_view_id);
-  OnFocusChanged(uint32 focused_view_id);
-  OnActiveWindowChanged(uint32 focused_view_id);
+interface WindowManagerClient {
+  OnCaptureChanged(uint32 old_capture_view_id, uint32 new_capture_view_id);
+  OnFocusChanged(uint32 old_focused_view_id, uint32 new_focused_view_id);
+  OnActiveWindowChanged(uint32 old_focused_view_id, uint32 new_focused_view_id);
 };