Refactor sync passphrase setup flow and fix passphrase tests

chrome/browser/resources/sync_internals/sync_log.js

 // Copyright (c) 2011 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.
 
 // require: cr.js
 // require: cr/event_target.js
 
 /**
  * @fileoverview This creates a log object which listens to and
  * records all sync events.
@@ skipping 57 matching lines @@
                   authError: authError
                 });
     });
 
     chrome.sync.onUpdatedToken.addListener(function (token) {
       self.log_('manager', 'onUpdatedToken', {
                   token: token
                 });
     });
 
-    chrome.sync.onPassphraseRequired.addListener(function (forDecryption) {
+    chrome.sync.onPassphraseRequired.addListener(function (reason) {
       self.log_('manager', 'onPassphraseRequired', {
-                  forDecryption: forDecryption
+                  reason: reason
                 });
     });
 
     chrome.sync.onPassphraseAccepted.addListener(function (bootstrapToken) {
       self.log_('manager', 'onPassphraseAccepted', {
                   bootstrapToken: bootstrapToken
                 });
     });
 
     chrome.sync.onEncryptionComplete.addListener(function (encrypted_types) {
@@ skipping 62 matching lines @@
       var e = cr.doc.createEvent('CustomEvent');
       e.initCustomEvent('append', false, false, entry);
       this.dispatchEvent(e);
     }
   };
 
   return {
     log: new Log()
   };
 });