Introduce SessionManager that will contain code to start user session on Chrome OS

chrome/browser/chromeos/login/login_utils_browsertest.cc

 // Copyright (c) 2012 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 "chrome/browser/chromeos/login/login_utils.h"
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/files/scoped_temp_dir.h"
@@ skipping 340 matching lines @@
     // If there was no work then quit the fake IO loop.
     return has_work;
   }
 
   virtual void OnProfilePrepared(Profile* profile) OVERRIDE {
     EXPECT_FALSE(prepared_profile_);
     prepared_profile_ = profile;
   }
 
 #if defined(ENABLE_RLZ)
-  virtual void OnRlzInitialized(Profile* profile) OVERRIDE {
+  virtual void OnRlzInitialized() OVERRIDE {
     rlz_initialized_cb_.Run();
   }
 #endif
 
   virtual void OnLoginFailure(const LoginFailure& error) OVERRIDE {
     FAIL() << "OnLoginFailure not expected";
   }
 
   virtual void OnLoginSuccess(const UserContext& user_context) OVERRIDE {
     FAIL() << "OnLoginSuccess not expected";
@@ skipping 32 matching lines @@
     user_context.SetUserIDHash(username);
     authenticator->CompleteLogin(ProfileHelper::GetSigninProfile(),
                                  user_context);
 
     // Setting |kHasCookies| to false prevents ProfileAuthData::Transfer from
     // waiting for an IO task before proceeding.
     const bool kHasCookies = false;
     const bool kHasActiveSession = false;
     user_context.SetAuthFlow(UserContext::AUTH_FLOW_GAIA_WITHOUT_SAML);
     LoginUtils::Get()->PrepareProfile(user_context,
-                                      std::string(),
                                       kHasCookies,
                                       kHasActiveSession,
                                       this);
     device_settings_test_helper.Flush();
     RunUntilIdle();
 
     DeviceSettingsService::Get()->UnsetSessionManager();
   }
 
   net::TestURLFetcher* PrepareOAuthFetcher(const GURL& expected_url) {
@@ skipping 273 matching lines @@
 }
 
 INSTANTIATE_TEST_CASE_P(
     LoginUtilsBlockingLoginTestInstance,
     LoginUtilsBlockingLoginTest,
     testing::Values(0, 1, 2, 3, 4, 5));
 
 }  // namespace
 
 }  // namespace chromeos