MatrixChat: Move the event indexing logic into separate modules.

src/MatrixClientPeg.js

@@ -31,6 +31,7 @@ import MatrixClientBackedSettingsHandler from "./settings/handlers/MatrixClientB
 import * as StorageManager from './utils/StorageManager';
 import IdentityAuthClient from './IdentityAuthClient';
 import PlatformPeg from "./PlatformPeg";
+import EventIndexPeg from "./EventIndexPeg";
 
 interface MatrixClientCreds {
     homeserverUrl: string,
@@ -223,9 +224,6 @@ class MatrixClientPeg {
 
         this.matrixClient = createMatrixClient(opts);
 
-        const platform = PlatformPeg.get();
-        if (platform.supportsEventIndexing()) platform.initEventIndex(creds.userId);
-
         // we're going to add eventlisteners for each matrix event tile, so the
         // potential number of event listeners is quite high.
         this.matrixClient.setMaxListeners(500);