optimize cache jail creation

Signed-off-by: Robin Appelman <robin@icewind.nl>

lib/private/Files/Cache/Wrapper/CacheJail.php

@@ -52,8 +52,6 @@ class CacheJail extends CacheWrapper {
 	public function __construct($cache, $root) {
 		parent::__construct($cache);
 		$this->root = $root;
-		$this->connection = \OC::$server->getDatabaseConnection();
-		$this->mimetypeLoader = \OC::$server->getMimeTypeLoader();
 
 		if ($cache instanceof CacheJail) {
 			$this->unjailedRoot = $cache->getSourcePath($root);

lib/private/Files/Storage/Wrapper/Jail.php

@@ -396,10 +396,7 @@ class Jail extends Wrapper {
 	 * @return \OC\Files\Cache\Cache
 	 */
 	public function getCache($path = '', $storage = null) {
-		if (!$storage) {
-			$storage = $this->getWrapperStorage();
-		}
-		$sourceCache = $this->getWrapperStorage()->getCache($this->getUnjailedPath($path), $storage);
+		$sourceCache = $this->getWrapperStorage()->getCache($this->getUnjailedPath($path));
 		return new CacheJail($sourceCache, $this->rootPath);
 	}