Revert of This CL replaces user_manager::UserID with AccountId.

chrome/browser/chromeos/login/saml/saml_browsertest.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 <cstring>
 #include <string>
 
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/callback.h"
@@ skipping 950 matching lines @@
   EXPECT_CALL(provider_, IsInitializationComplete(_))
       .WillRepeatedly(Return(true));
   policy::BrowserPolicyConnector::SetPolicyProviderForTesting(&provider_);
 }
 
 void SAMLPolicyTest::SetUpOnMainThread() {
   SamlTest::SetUpOnMainThread();
 
   // Pretend that the test users' OAuth tokens are valid.
   user_manager::UserManager::Get()->SaveUserOAuthStatus(
-      AccountId::FromUserEmail(kFirstSAMLUserEmail),
-      user_manager::User::OAUTH2_TOKEN_STATUS_VALID);
+      kFirstSAMLUserEmail, user_manager::User::OAUTH2_TOKEN_STATUS_VALID);
   user_manager::UserManager::Get()->SaveUserOAuthStatus(
-      AccountId::FromUserEmail(kNonSAMLUserEmail),
-      user_manager::User::OAUTH2_TOKEN_STATUS_VALID);
+      kNonSAMLUserEmail, user_manager::User::OAUTH2_TOKEN_STATUS_VALID);
   user_manager::UserManager::Get()->SaveUserOAuthStatus(
-      AccountId::FromUserEmail(kDifferentDomainSAMLUserEmail),
+      kDifferentDomainSAMLUserEmail,
       user_manager::User::OAUTH2_TOKEN_STATUS_VALID);
 
   // Set up fake networks.
   DBusThreadManager::Get()
       ->GetShillManagerClient()
       ->GetTestInterface()
       ->SetupDefaultEnvironment();
 }
 
 void SAMLPolicyTest::SetSAMLOfflineSigninTimeLimitPolicy(int limit) {
@@ skipping 233 matching lines @@
                 kTestAuthLSIDCookie1);
 
   GetCookies();
   EXPECT_EQ(kTestAuthSIDCookie1, GetCookieValue(kGAIASIDCookieName));
   EXPECT_EQ(kTestAuthLSIDCookie1, GetCookieValue(kGAIALSIDCookieName));
   EXPECT_EQ(kSAMLIdPCookieValue1, GetCookieValue(kSAMLIdPCookieName));
 }
 
 
 }  // namespace chromeos