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Lines Matching refs:display_change_observer_

806   if (display_change_observer_)
807     display_configurator_->RemoveObserver(display_change_observer_.get());
815   display_change_observer_.reset();
838     display_change_observer_.reset(new DisplayChangeObserver);
839     // Register |display_change_observer_| first so that the rest of
841     display_configurator_->AddObserver(display_change_observer_.get());
844     display_configurator_->set_state_controller(display_change_observer_.get());