Laser tool blocks events from propagating.

ash/aura/wm_shell_aura.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 "ash/aura/wm_shell_aura.h"
 
 #include <utility>
 
 #include "ash/aura/pointer_watcher_adapter.h"
 #include "ash/aura/wm_window_aura.h"
 #include "ash/common/session/session_state_delegate.h"
 #include "ash/common/shell_delegate.h"
 #include "ash/common/shell_observer.h"
 #include "ash/common/wm/maximize_mode/scoped_disable_internal_mouse_and_keyboard.h"
 #include "ash/common/wm/mru_window_tracker.h"
 #include "ash/common/wm/overview/window_selector_controller.h"
 #include "ash/common/wm_activation_observer.h"
 #include "ash/common/wm_display_observer.h"
 #include "ash/display/display_manager.h"
 #include "ash/display/window_tree_host_manager.h"
+#include "ash/laser/laser_pointer_controller.h"
 #include "ash/metrics/task_switch_metrics_recorder.h"
 #include "ash/shared/immersive_fullscreen_controller.h"
 #include "ash/shell.h"
 #include "ash/touch/touch_uma.h"
 #include "ash/wm/drag_window_resizer.h"
 #include "ash/wm/maximize_mode/maximize_mode_event_handler_aura.h"
 #include "ash/wm/screen_pinning_controller.h"
 #include "ash/wm/window_cycle_event_filter_aura.h"
 #include "ash/wm/window_util.h"
 #include "ash/wm/workspace/workspace_event_handler_aura.h"
@@ skipping 240 matching lines @@
 bool WmShellAura::IsTouchDown() {
   return aura::Env::GetInstance()->is_touch_down();
 }
 
 #if defined(OS_CHROMEOS)
 void WmShellAura::ToggleIgnoreExternalKeyboard() {
   Shell::GetInstance()
       ->virtual_keyboard_controller()
       ->ToggleIgnoreExternalKeyboard();
 }
+
+void WmShellAura::SetLaserPointerEnabled(bool enabled) {
+  Shell::GetInstance()->laser_pointer_controller()->SetEnabled(enabled);
+}
 #endif
 
 void WmShellAura::OnWindowActivated(
     aura::client::ActivationChangeObserver::ActivationReason reason,
     aura::Window* gained_active,
     aura::Window* lost_active) {
   WmWindow* gained_active_wm = WmWindowAura::Get(gained_active);
   WmWindow* lost_active_wm = WmWindowAura::Get(lost_active);
   if (gained_active_wm)
     set_root_window_for_new_windows(gained_active_wm->GetRootWindow());
@@ skipping 13 matching lines @@
   FOR_EACH_OBSERVER(WmDisplayObserver, display_observers_,
                     OnDisplayConfigurationChanging());
 }
 
 void WmShellAura::OnDisplayConfigurationChanged() {
   FOR_EACH_OBSERVER(WmDisplayObserver, display_observers_,
                     OnDisplayConfigurationChanged());
 }
 
 }  // namespace ash