Palette tool laser prototype.

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/magnifier/partial_magnification_controller.h"
 #include "ash/screenshot_delegate.h"
@@ skipping 154 matching lines @@
 
   screenshot_controller->set_pen_events_only(true);
   screenshot_controller->StartPartialScreenshotSession(
       screenshot_delegate, false /* draw_overlay_immediately */);
 }
 
 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