mus: Add watcher for all touch events.

services/ui/public/cpp/tests/window_tree_client_private.cc

 // Copyright 2016 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.
 
 #include "services/ui/public/cpp/tests/window_tree_client_private.h"
 
 #include "services/ui/public/cpp/window.h"
 #include "services/ui/public/cpp/window_tree_client.h"
 #include "ui/display/display.h"
 
@@ skipping 35 matching lines @@
   const bool parent_drawn = true;
   tree_client_impl_->WmNewDisplayAddedImpl(display, std::move(root_data),
                                            parent_drawn);
 }
 
 void WindowTreeClientPrivate::CallOnWindowInputEvent(
     Window* window,
     std::unique_ptr<ui::Event> event) {
   const uint32_t event_id = 0u;
   const uint32_t observer_id = 0u;
-  tree_client_impl_->OnWindowInputEvent(event_id, window->server_id(),
-                                        std::move(event), observer_id);
+  mojo::Array<uint32_t> observer_ids;
+  observer_ids.push_back(observer_id);
+  tree_client_impl_->OnWindowInputEvent(
+    event_id, window->server_id(), std::move(event), std::move(observer_ids));
 }
 
 void WindowTreeClientPrivate::SetTreeAndClientId(mojom::WindowTree* window_tree,
                                                  ClientSpecificId client_id) {
   tree_client_impl_->tree_ = window_tree;
   tree_client_impl_->client_id_ = client_id;
 }
 
 }  // namespace ui