message: Fix load failure in firefox when indexedDB is disabled
diff: @@ -18,6 +18,13 @@ import Matrix from 'matrix-js-sdk';
  const localStorage = window.localStorage;
  +// just *accessing* indexedDB throws an exception in firefox with
  +// indexeddb disabled.
  +let indexedDB;
  +try {
  + indexedDB = window.indexedDB;
  +} catch(e) {}
  +
  /**
  * Create a new matrix client, with the persistent stores set up appropriately
  * (using localstorage/indexeddb, etc)
  @@ -37,12 +44,13 @@ export default function createMatrixClient(opts) {
  if (localStorage) {
  storeOpts.sessionStore = new Matrix.WebStorageSessionStore(localStorage);
  }
  - if (window.indexedDB && localStorage) {
  +
  + if (indexedDB && localStorage) {
  // FIXME: bodge to remove old database. Remove this after a few weeks.
  - window.indexedDB.deleteDatabase("matrix-js-sdk:default");
  + indexedDB.deleteDatabase("matrix-js-sdk:default");
  storeOpts.store = new Matrix.IndexedDBStore({
  - indexedDB: window.indexedDB,
  + indexedDB: indexedDB,
  dbName: "riot-web-sync",
  localStorage: localStorage,
  workerScript: createMatrixClient.indexedDbWorkerScript,
  