CancelById        124 chrome/browser/notifications/balloon_notification_ui_manager.cc bool BalloonNotificationUIManager::CancelById(const std::string& id) {
CancelById        161 chrome/browser/notifications/message_center_notification_manager.cc bool MessageCenterNotificationManager::CancelById(const std::string& id) {
CancelById         54 chrome/browser/notifications/notification_test_util.cc bool StubNotificationUIManager::CancelById(const std::string& notification_id) {