Laser tool blocks events from propagating.

chrome/browser/ui/ash/palette_delegate_chromeos.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 "chrome/browser/ui/ash/palette_delegate_chromeos.h"
 
 #include "ash/accelerators/accelerator_controller_delegate_aura.h"
 #include "ash/common/system/chromeos/palette/palette_utils.h"
+#include "ash/laser/laser_pointer_controller.h"
 #include "ash/magnifier/partial_magnification_controller.h"
 #include "ash/screenshot_delegate.h"
 #include "ash/shell.h"
 #include "ash/utility/screenshot_controller.h"
 #include "chrome/browser/chrome_notification_types.h"
 #include "chrome/browser/chromeos/note_taking_app_utils.h"
 #include "chrome/browser/chromeos/profiles/profile_helper.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/browser/profiles/profile_manager.h"
 #include "chrome/common/pref_names.h"
@@ skipping 196 matching lines @@
       proxy_screenshot_delegate_.get(), false /* draw_overlay_immediately */);
 }
 
 void PaletteDelegateChromeOS::CancelPartialScreenshot() {
   ash::Shell::GetInstance()->screenshot_controller()->CancelScreenshotSession();
 }
 
 void PaletteDelegateChromeOS::OnStylusStateChanged(ui::StylusState state) {
   on_stylus_state_changed_.Run(state);
 }
-
-void PaletteDelegateChromeOS::OnLaserPointerEnabled() {
-  // We lock the cursor after we hide it because compound_event_filter.cc will
-  // attempt to call ShowCursor every time it recieves a mouse event.
-  ash::Shell::GetInstance()->cursor_manager()->HideCursor();
-  ash::Shell::GetInstance()->cursor_manager()->LockCursor();
-}
-
-void PaletteDelegateChromeOS::OnLaserPointerDisabled() {
-  ash::Shell::GetInstance()->cursor_manager()->UnlockCursor();
-  ash::Shell::GetInstance()->cursor_manager()->ShowCursor();
-}
 }  // namespace chromeos