Tracking Protection shield.

        Returns:
            bool: True or False if the Tracking Shield is displayed.

def is_tracking_shield_displayed(self):
        """Tracking Protection shield.

        Returns:
            bool: True or False if the Tracking Shield is displayed.

        """
        with self.selenium.context(self.selenium.CONTEXT_CHROME):
            if self.window.firefox_version >= 63:  # Bug 1471713, 1476218
                el = self.root.find_element(*self._tracking_protection_shield_locator)
                return el.get_attribute("active") is not None
            el = self.root.find_element(By.ID, "tracking-protection-icon")
            return bool(el.get_attribute("state"))