Added swift and kotlin logic for tabs

components/tabs/android/src/main/java/mozilla/appservices/tabs/DeviceType.kt

@@ -0,0 +1,10 @@
+/* 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/. */
+
+package mozilla.appservices.remotetabs
+
+// Originally `TabsDeviceType` was named `DeviceType`, but this created a namespace clash for iOS with
+// the `DeviceType` created for FxA. This conflict is not an issue for android so to avoid created a
+// breaking change we are aliasing `TabsDeviceType` back to `DeviceType`.
+typealias DeviceType = TabsDeviceType

components/tabs/ios/Tabs/Tabs.swift

@@ -0,0 +1,48 @@
+/* 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 Foundation
+
+open class TabsStorage {
+    private var store: TabsStore
+    private let queue = DispatchQueue(label: "com.mozilla.tabs-storage")
+
+    public init(databasePath: String) throws {
+        store = try TabsStore(path: databasePath)
+    }
+
+    /// Get all tabs by client.
+    open func getAll() throws -> [ClientRemoteTabs] {
+        return queue.sync {
+            return self.store.getAll()
+        }
+    }
+
+    /// Set the local tabs.
+    open func setLocalTabs(remoteTabs: [RemoteTab]) throws {
+        try queue.sync {
+            self.store.setLocalTabs(remoteTabs: remoteTabs)
+        }
+    }
+
+    /// Register with the sync manager
+    open func registerWithSyncManager() throws {
+        return queue.sync {
+            return self.store.registerWithSyncManager()
+        }
+    }
+
+    open func sync(unlockInfo: SyncUnlockInfo, localId: String) throws -> String {
+        return try queue.sync {
+            return try self.store
+                .sync(
+                    keyId: unlockInfo.kid,
+                    accessToken: unlockInfo.fxaAccessToken,
+                    syncKey: unlockInfo.syncKey,
+                    tokenserverUrl: unlockInfo.tokenserverURL,
+                    localId: localId
+                )
+        }
+    }
+}