Refactor AO2TS to make it easier to componentize.

chrome/browser/supervised_user/legacy/supervised_user_refresh_token_fetcher_unittest.cc

 // Copyright 2014 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/bind.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/signin/fake_profile_oauth2_token_service.h"
 #include "chrome/browser/supervised_user/legacy/supervised_user_refresh_token_fetcher.h"
 #include "chrome/test/base/testing_profile.h"
@@ skipping 117 matching lines @@
     : error_(GoogleServiceAuthError::NONE),
       weak_ptr_factory_(this) {}
 
 void SupervisedUserRefreshTokenFetcherTest::StartFetching() {
   StartFetchingWithDeviceId(std::string());
 }
 
 void SupervisedUserRefreshTokenFetcherTest::StartFetchingWithDeviceId(
     const std::string& device_id) {
   device_id_ = device_id;
-  oauth2_token_service_.IssueRefreshToken(kOAuth2RefreshToken);
+  oauth2_token_service_.UpdateCredentials("account_id", kOAuth2RefreshToken);
   token_fetcher_ = SupervisedUserRefreshTokenFetcher::Create(
       &oauth2_token_service_,
       kAccountId,
       device_id_,
       profile_.GetRequestContext()).Pass();
   token_fetcher_->Start(
       kSupervisedUserId,
       kDeviceName,
       base::Bind(
           &SupervisedUserRefreshTokenFetcherTest::OnTokenFetched,
@@ skipping 221 matching lines @@
 
 TEST_F(SupervisedUserRefreshTokenFetcherTest, CancelWhileFetchingRefreshToken) {
   StartFetching();
   MakeOAuth2TokenServiceRequestSucceed();
   MakeIssueTokenRequestSucceed();
   Reset();
 
   EXPECT_EQ(GoogleServiceAuthError::NONE, error().state());
   EXPECT_EQ(std::string(), token());
 }