Hide cursor upon lock animation

BUG=173944


Review URL: https://chromiumcodereview.appspot.com/13637009

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@192979 0039d316-1c4b-4281-b951-d872f2087c98

ash/wm/session_state_controller_impl2.cc

@@ -263,6 +263,7 @@ void SessionStateControllerImpl2::CancelShutdownAnimation() {
     shutdown_after_lock_ = false;
     return;
   }
+
   animator_->StartGlobalAnimation(
       internal::SessionStateAnimator::ANIMATION_UNDO_GRAYSCALE_BRIGHTNESS,
       internal::SessionStateAnimator::ANIMATION_SPEED_REVERT_SHUTDOWN);
@@ -311,6 +312,11 @@ void SessionStateControllerImpl2::OnLockToShutdownTimeout() {
 }
 
 void SessionStateControllerImpl2::StartCancellableShutdownAnimation() {
+  Shell* shell = ash::Shell::GetInstance();
+  // Hide cursor, but let it reappear if the mouse moves.
+  shell->env_filter()->set_cursor_hidden_by_filter(true);
+  shell->cursor_manager()->HideCursor();
+
   animator_->StartGlobalAnimation(
       internal::SessionStateAnimator::ANIMATION_GRAYSCALE_BRIGHTNESS,
       internal::SessionStateAnimator::ANIMATION_SPEED_SHUTDOWN);