mash: changes can_accept_events to an enum

services/ui/ws/window_manager_display_root.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/ws/window_manager_display_root.h"
 
 #include "services/ui/ws/display_manager.h"
 #include "services/ui/ws/server_window.h"
 #include "services/ui/ws/window_server.h"
 
 namespace ui {
 namespace ws {
 
 WindowManagerDisplayRoot::WindowManagerDisplayRoot(Display* display)
     : display_(display) {
   root_.reset(window_server()->CreateServerWindow(
       window_server()->display_manager()->GetAndAdvanceNextRootId(),
       ServerWindow::Properties()));
+  root_->set_event_targeting_policy(
+      mojom::EventTargetingPolicy::DESCENDANTS_ONLY);
   // Our root is always a child of the Display's root. Do this
   // before the WindowTree has been created so that the client doesn't get
   // notified of the add, bounds change and visibility change.
   root_->SetBounds(gfx::Rect(display->root_window()->bounds().size()));
   root_->SetVisible(true);
   display->root_window()->Add(root_.get());
 }
 
 WindowManagerDisplayRoot::~WindowManagerDisplayRoot() {}
 
 WindowServer* WindowManagerDisplayRoot::window_server() {
   return display_->window_server();
 }
 
 }  // namespace ws
 }  // namespace ui