Piwik\Plugins\PrivacyManager\DoNotTrackHeaderChecker::activate PHP Method

    public function activate()
    {
        $this->config->doNotTrackEnabled = true;
    }

 static function update()
 {
     $errors = array();
     try {
         $checker = new DoNotTrackHeaderChecker();
         // enable DoNotTrack check in PrivacyManager if DoNotTrack plugin was enabled
         if (\Piwik\Plugin\Manager::getInstance()->isPluginActivated('DoNotTrack')) {
             $checker->activate();
         }
         // enable IP anonymization if AnonymizeIP plugin was enabled
         if (\Piwik\Plugin\Manager::getInstance()->isPluginActivated('AnonymizeIP')) {
             IPAnonymizer::activate();
         }
     } catch (\Exception $ex) {
         // pass
     }
     // disable & delete old plugins
     $oldPlugins = array('DoNotTrack', 'AnonymizeIP');
     foreach ($oldPlugins as $plugin) {
         try {
             \Piwik\Plugin\Manager::getInstance()->deactivatePlugin($plugin);
         } catch (\Exception $e) {
         }
         $dir = PIWIK_INCLUDE_PATH . "/plugins/{$plugin}";
         if (file_exists($dir)) {
             Filesystem::unlinkRecursive($dir, true);
         }
         if (file_exists($dir)) {
             $errors[] = "Please delete this directory manually (eg. using your FTP software): {$dir} \n";
         }
     }
     if (!empty($errors)) {
         throw new \Exception("Warnings during the update: <br>" . implode("<br>", $errors));
     }
 }