Revert of Update mojo sdk to rev afb4440fd5a10cba980878c326180b7ad7960480

mojo/services/public/interfaces/view_manager/view_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 "mojo/public/interfaces/application/service_provider.mojom";
 import "mojo/services/public/interfaces/geometry/geometry.mojom";
 import "mojo/services/public/interfaces/input_events/input_events.mojom";
 import "mojo/services/public/interfaces/surfaces/surface_id.mojom";
@@ skipping 112 matching lines @@
   // connection.
   //
   // |service_provider| encapsulates services offered by the embedder to the
   // embedded app alongside this Embed() call. It also provides a means for
   // the embedder to connect to services symmetrically exposed by the embedded
   // app. Note that if a different app is subsequently embedded at |view_id|
   // the |service_provider|'s connection to its client in the embedded app and
   // any services it provided are not broken and continue to be valid.
   Embed(string url,
         uint32 view_id,
-        ServiceProvider&? service_provider) => (bool success);
+        ServiceProvider? service_provider) => (bool success);
 };
 
 // Changes to views are not sent to the connection that originated the
 // change. For example, if connection 1 changes the bounds of a view by calling
 // SetBounds(), connection 1 does not receive OnViewBoundsChanged().
 [Client=ViewManagerService]
 interface ViewManagerClient {
   // Invoked when the client application has been embedded at |root|.
   // See Embed() on ViewManagerService for more details. |window_manager_pipe|
   // is a pipe to the WindowManager.
@@ skipping 45 matching lines @@
   // NOTE: This is not invoked if OnViewVisibilityChanged() is invoked.
   OnViewDrawnStateChanged(uint32 view, bool drawn);
 
   // Invoked when a view property is changed. If this change is a removal,
   // |new_data| is null.
   OnViewPropertyChanged(uint32 view, string name, array<uint8>? new_data);
 
   // Invoked when an event is targeted at the specified view.
   OnViewInputEvent(uint32 view, mojo.Event event) => ();
 };