[Background Sync Cleanup] Remove mention of oneshot

content/test/data/background_sync/service_worker.js

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // The "onsync" event currently understands commands (passed as
 // registration tags) coming from the test. Any other tag is
 // passed through to the document unchanged.
 //
 // "delay" - Delays finishing the sync event with event.waitUntil.
-//           Send a postMessage of "completeDelayedOneShot" to finish the
+//           Send a postMessage of "completeDelayedRegistration" to finish the
 //           event.
 
 'use strict';
 
 var resolveCallback = null;
 var rejectCallback = null;
 
 this.onmessage = function(event) {
-  if (event.data['action'] === 'completeDelayedOneShot') {
+  if (event.data['action'] === 'completeDelayedSyncEvent') {
     if (resolveCallback === null) {
       sendMessageToClients('sync', 'error - resolveCallback is null');
       return;
     }
 
     resolveCallback();
     sendMessageToClients('sync', 'ok - delay completed');
     return;
   }
 
-  if (event.data['action'] === 'rejectDelayedOneShot') {
+  if (event.data['action'] === 'rejectDelayedSyncEvent') {
     if (rejectCallback === null) {
       sendMessageToClients('sync', 'error - rejectCallback is null');
       return;
     }
 
     rejectCallback();
     sendMessageToClients('sync', 'ok - delay rejected');
   }
 
-  if (event.data['action'] === 'registerOneShot') {
+  if (event.data['action'] === 'register') {
     var tag = event.data['tag'];
     registration.sync.register(tag)
       .then(function () {
         sendMessageToClients('register', 'ok - ' + tag + ' registered in SW');
       })
       .catch(sendSyncErrorToClients);
   }
 
-  if (event.data['action'] === 'getRegistrationOneShot') {
+  if (event.data['action'] === 'hasTag') {
     var tag = event.data['tag'];
-    registration.sync.getTags(tag)
+    registration.sync.getTags()
       .then(function(tags) {
         if (tags.indexOf(tag) >= 0) {
           sendMessageToClients('register', 'ok - ' + tag + ' found');
         } else {
           sendMessageToClients('register', 'error - ' + tag + ' not found');
           return;
         }
       })
       .catch(sendSyncErrorToClients);
   }
 
-  if (event.data['action'] === 'getRegistrationsOneShot') {
+  if (event.data['action'] === 'getTags') {
     registration.sync.getTags()
       .then(function(tags) {
         sendMessageToClients('register', 'ok - ' + tags.toString());
       })
       .catch(sendSyncErrorToClients);
   }
 }
 
 this.onsync = function(event) {
   var eventProperties = [
@@ skipping 36 matching lines @@
       client.postMessage({type, data});
     });
   }, function(error) {
     console.log(error);
   });
 }
 
 function sendSyncErrorToClients(error) {
   sendMessageToClients('sync', error.name + ' - ' + error.message);
 }