mash: changes can_accept_events to an enum

services/ui/ws/display.cc

 // 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.
 
 #include "services/ui/ws/display.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
@@ skipping 238 matching lines @@
   window_manager_state->AddWindowManagerDisplayRoot(
       std::move(display_root_ptr));
 }
 
 void Display::CreateRootWindow(const gfx::Size& size) {
   DCHECK(!root_);
 
   root_.reset(window_server_->CreateServerWindow(
       display_manager()->GetAndAdvanceNextRootId(),
       ServerWindow::Properties()));
+  root_->set_event_targeting_policy(
+      mojom::EventTargetingPolicy::DESCENDANTS_ONLY);
   root_->SetBounds(gfx::Rect(size));
   root_->SetVisible(true);
   focus_controller_ = base::MakeUnique<FocusController>(this, root_.get());
   focus_controller_->AddObserver(this);
 }
 
 display::Display Display::GetDisplay() {
   return ToDisplay();
 }
 
@@ skipping 122 matching lines @@
 }
 
 void Display::OnWindowManagerWindowTreeFactoryReady(
     WindowManagerWindowTreeFactory* factory) {
   if (!binding_)
     CreateWindowManagerDisplayRootFromFactory(factory);
 }
 
 }  // namespace ws
 }  // namespace ui