Create a RegisterViewAssociate method in ViewManager

mojo/services/ui/views/interfaces/view_manager.mojom

 // Copyright 2015 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.
 
 [DartPackage="mojo_services"]
 module mojo.ui;
 
 import "mojo/services/ui/views/interfaces/view_associates.mojom";
 import "mojo/services/ui/views/interfaces/view_trees.mojom";
 import "mojo/services/ui/views/interfaces/views.mojom";
@@ skipping 49 matching lines @@
   //
   // The |label| is an optional name to associate with the view tree for
   // diagnostic purposes.  The label will be truncated if it is longer
   // than |kLabelMaxLength|.
   //
   // To destroy the view tree simply close the |view_tree| or
   // |view_tree_listener| message pipes.
   CreateViewTree(mojo.ui.ViewTree& view_tree,
                  mojo.ui.ViewTreeListener view_tree_listener,
                  string? label);
+
+  // Registers a view associate with the view manager
+  //
+  // The services provided by |view_associate| will be made available to views
+  //
+  // The |url| is the path that was used to launch the view_associate (used for
+  // debug messages only)
+  RegisterViewAssociate(mojo.ui.ViewAssociate view_associate,
+                        string? url);
 };