Refactor sync passphrase setup flow and fix passphrase tests

chrome/test/live_sync/multiple_client_live_passwords_sync_test.cc

 // 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.
 
 #include "base/stringprintf.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/browser/password_manager/password_form_data.h"
 #include "chrome/test/live_sync/live_passwords_sync_test.h"
 
 using webkit_glue::PasswordForm;
 
-// TODO(rsimha): This test fails intermittently -- see http://crbug.com/77993.
-IN_PROC_BROWSER_TEST_F(MultipleClientLivePasswordsSyncTest, FAILS_Sanity) {
+IN_PROC_BROWSER_TEST_F(MultipleClientLivePasswordsSyncTest, Sanity) {
   ASSERT_TRUE(SetupSync()) << "SetupSync() failed.";
 
   for (int i = 0; i < num_clients(); ++i) {
     PasswordForm form = CreateTestPasswordForm(i);
     AddLogin(GetPasswordStore(i), form);
   }
   ASSERT_TRUE(AwaitQuiescence());
 
   std::vector<PasswordForm> forms0;
   GetLogins(GetPasswordStore(0), forms0);
   ASSERT_EQ((size_t) num_clients(), forms0.size());
 
   for (int i = 1; i < num_clients(); ++i) {
     std::vector<PasswordForm> forms;
     GetLogins(GetPasswordStore(i), forms);
     ASSERT_TRUE(ContainsSamePasswordForms(forms0, forms));
   }
 }