Dactyloidae iOS initial commit

mobile/ios/Storage/Favicons.swift

@@ -0,0 +1,22 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+import Shared
+import UIKit
+import Deferred
+
+/* The base favicons protocol */
+public protocol Favicons {
+    func clearAllFavicons() -> Success
+
+    /**
+     * Returns the ID of the added favicon.
+     */
+    func addFavicon(_ icon: Favicon) -> Deferred<Maybe<Int>>
+
+    /**
+     * Returns the ID of the added favicon.
+     */
+    @discardableResult func addFavicon(_ icon: Favicon, forSite site: Site) -> Deferred<Maybe<Int>>
+}