Remove unused localStorage adapter

And remove various stray references to localStorage

// FREEBIE

CONTRIBUTING.md

@@ -54,10 +54,7 @@ Currently only the Android client supports multi-device pairing.
 * Enter the verification code you received by SMS.
 * Wait for key generation to complete.
 
-You should now be able to use the extension. If you need to re-register, open a
+You should now be able to use the extension.
-browser console within the extension options page (or inspect
-`background.html`) and execute `localStorage.clear()` to delete your account
-information.
 
 ## Chrome profiles
 

bower.json

@@ -14,7 +14,6 @@
     "qrcode": "git://github.com/davidshimjs/qrcodejs.git#1c78ccd71",
     "cryptojs": "svn+http://crypto-js.googlecode.com/svn/#~3.1.2",
     "libphonenumber-api": "git://github.com/codedust/libphonenumber-api",
-    "backbone.localstorage": "liliakai/Backbone.localStorage#master",
     "momentjs": "~2.8.3",
     "indexeddb-backbonejs-adapter": "*",
     "intl-tel-input": "~4.0.1",
@@ -78,9 +77,6 @@
     "libphonenumber-api": [
       "libphonenumber_api-compiled.js"
     ],
-    "backbone.localstorage": [
-      "backbone.localStorage.js"
-    ],
     "momentjs": [
       "moment.js"
     ],

components/backbone.localstorage/backbone.localStorage.js

@@ -1,262 +0,0 @@
-/**
- * Backbone localStorage Adapter
- * Version 1.1.14
- *
- * https://github.com/jeromegn/Backbone.localStorage
- */
-(function (root, factory) {
-  if (typeof exports === 'object' && typeof require === 'function') {
-    module.exports = factory(require("backbone"));
-  } else if (typeof define === "function" && define.amd) {
-    // AMD. Register as an anonymous module.
-    define(["backbone"], function(Backbone) {
-      // Use global variables if the locals are undefined.
-      return factory(Backbone || root.Backbone);
-    });
-  } else {
-    factory(Backbone);
-  }
-}(this, function(Backbone) {
-// A simple module to replace `Backbone.sync` with *localStorage*-based
-// persistence. Models are given GUIDS, and saved into a JSON object. Simple
-// as that.
-
-// Generate four random hex digits.
-function S4() {
-   return (((1+Math.random())*0x10000)|0).toString(16).substring(1);
-};
-
-// Generate a pseudo-GUID by concatenating random hexadecimal.
-function guid() {
-   return (S4()+S4()+"-"+S4()+"-"+S4()+"-"+S4()+"-"+S4()+S4()+S4());
-};
-
-function isObject(item) {
-  return item === Object(item);
-}
-
-function contains(array, item) {
-  var i = array.length;
-  while (i--) if (array[i] === item) return true;
-  return false;
-}
-
-function extend(obj, props) {
-  for (var key in props) obj[key] = props[key]
-  return obj;
-}
-
-function result(object, property) {
-    if (object == null) return void 0;
-    var value = object[property];
-    return (typeof value === 'function') ? object[property]() : value;
-}
-
-// Our Store is represented by a single JS object in *localStorage*. Create it
-// with a meaningful name, like the name you'd give a table.
-// window.Store is deprectated, use Backbone.LocalStorage instead
-Backbone.LocalStorage = window.Store = function(name, serializer) {
-  if( !this.localStorage ) {
-    throw "Backbone.localStorage: Environment does not support localStorage."
-  }
-  this.name = name;
-  this.serializer = serializer || {
-    serialize: function(item) {
-      return isObject(item) ? JSON.stringify(item) : item;
-    },
-    // fix for "illegal access" error on Android when JSON.parse is passed null
-    deserialize: function (data) {
-      return data && JSON.parse(data);
-    }
-  };
-  var store = this.localStorage().getItem(this.name);
-  this.records = (store && store.split(",")) || [];
-};
-
-extend(Backbone.LocalStorage.prototype, {
-
-  // Save the current state of the **Store** to *localStorage*.
-  save: function() {
-    var store = this.localStorage().getItem(this.name);
-    this.records = _.union(this.records, store && store.split(","));
-    this.localStorage().setItem(this.name, this.records.join(","));
-  },
-
-  // Add a model, giving it a (hopefully)-unique GUID, if it doesn't already
-  // have an id of it's own.
-  create: function(model) {
-    if (!model.id && model.id !== 0) {
-      model.id = guid();
-      model.set(model.idAttribute, model.id);
-    }
-    this.localStorage().setItem(this._itemName(model.id), this.serializer.serialize(model));
-    this.records.push(model.id.toString());
-    this.save();
-    return this.find(model);
-  },
-
-  // Update a model by replacing its copy in `this.data`.
-  update: function(model) {
-    this.localStorage().setItem(this._itemName(model.id), this.serializer.serialize(model));
-    var modelId = model.id.toString();
-    if (!contains(this.records, modelId)) {
-      this.records.push(modelId);
-      this.save();
-    }
-    return this.find(model);
-  },
-
-  // Retrieve a model from `this.data` by id.
-  find: function(model) {
-    var store = this.localStorage().getItem(this.name);
-    this.records = (store && store.split(",")) || [];
-    return this.serializer.deserialize(this.localStorage().getItem(this._itemName(model.id)));
-  },
-
-  // Return the array of all models currently in storage.
-  findAll: function() {
-    var store = this.localStorage().getItem(this.name);
-    this.records = (store && store.split(",")) || [];
-    var result = [];
-    for (var i = 0, id, data; i < this.records.length; i++) {
-      id = this.records[i];
-      data = this.serializer.deserialize(this.localStorage().getItem(this._itemName(id)));
-      if (data != null) result.push(data);
-    }
-    return result;
-  },
-
-  // Delete a model from `this.data`, returning it.
-  destroy: function(model) {
-    this.localStorage().removeItem(this._itemName(model.id));
-    var modelId = model.id.toString();
-    for (var i = 0, id; i < this.records.length; i++) {
-      if (this.records[i] === modelId) {
-        this.records.splice(i, 1);
-      }
-    }
-    this.save();
-    return model;
-  },
-
-  localStorage: function() {
-    return localStorage;
-  },
-
-  // Clear localStorage for specific collection.
-  _clear: function() {
-    var local = this.localStorage(),
-      itemRe = new RegExp("^" + this.name + "-");
-
-    // Remove id-tracking item (e.g., "foo").
-    local.removeItem(this.name);
-
-    // Match all data items (e.g., "foo-ID") and remove.
-    for (var k in local) {
-      if (itemRe.test(k)) {
-        local.removeItem(k);
-      }
-    }
-
-    this.records.length = 0;
-  },
-
-  // Size of localStorage.
-  _storageSize: function() {
-    return this.localStorage().length;
-  },
-
-  _itemName: function(id) {
-    return this.name+"-"+id;
-  }
-
-});
-
-// localSync delegate to the model or collection's
-// *localStorage* property, which should be an instance of `Store`.
-// window.Store.sync and Backbone.localSync is deprecated, use Backbone.LocalStorage.sync instead
-Backbone.LocalStorage.sync = window.Store.sync = Backbone.localSync = function(method, model, options) {
-  var store = result(model, 'localStorage') || result(model.collection, 'localStorage');
-
-  var resp, errorMessage;
-  //If $ is having Deferred - use it.
-  var syncDfd = Backbone.$ ?
-    (Backbone.$.Deferred && Backbone.$.Deferred()) :
-    (Backbone.Deferred && Backbone.Deferred());
-
-  try {
-
-    switch (method) {
-      case "read":
-        resp = model.id != undefined ? store.find(model) : store.findAll();
-        break;
-      case "create":
-        resp = store.create(model);
-        break;
-      case "update":
-        resp = store.update(model);
-        break;
-      case "delete":
-        resp = store.destroy(model);
-        break;
-    }
-
-  } catch(error) {
-    if (error.code === 22 && store._storageSize() === 0)
-      errorMessage = "Private browsing is unsupported";
-    else
-      errorMessage = error.message;
-  }
-
-  if (resp) {
-    if (options && options.success) {
-      if (Backbone.VERSION === "0.9.10") {
-        options.success(model, resp, options);
-      } else {
-        options.success(resp);
-      }
-    }
-    if (syncDfd) {
-      syncDfd.resolve(resp);
-    }
-
-  } else {
-    errorMessage = errorMessage ? errorMessage
-                                : "Record Not Found";
-
-    if (options && options.error)
-      if (Backbone.VERSION === "0.9.10") {
-        options.error(model, errorMessage, options);
-      } else {
-        options.error(errorMessage);
-      }
-
-    if (syncDfd)
-      syncDfd.reject(errorMessage);
-  }
-
-  // add compatibility with $.ajax
-  // always execute callback for success and error
-  if (options && options.complete) options.complete(resp);
-
-  return syncDfd && syncDfd.promise();
-};
-
-Backbone.ajaxSync = Backbone.sync;
-
-Backbone.getSyncMethod = function(model) {
-  if(model.localStorage || (model.collection && model.collection.localStorage)) {
-    return Backbone.localSync;
-  }
-
-  return Backbone.ajaxSync;
-};
-
-// Override 'Backbone.sync' to default to localSync,
-// the original 'Backbone.sync' is still available in 'Backbone.ajaxSync'
-Backbone.sync = function(method, model, options) {
-  return Backbone.getSyncMethod(model).apply(this, [method, model, options]);
-};
-
-return Backbone.LocalStorage;
-}));

js/options.js

@@ -34,7 +34,6 @@
                 $('#qr').hide();
                 $('.confirmation-dialog .number').text(number);
                 $('.confirmation-dialog .cancel').click(function(e) {
-                    localStorage.clear();
                     reject();
                 });
                 $('.confirmation-dialog .ok').click(function(e) {