Ensure incognito TestingProfiles are incognito for their whole lifetime.

chrome/browser/chromeos/power/power_prefs_unittest.cc

 // Copyright 2013 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/power/power_prefs.h"
 
 #include <string>
 
 #include "base/command_line.h"
 #include "base/files/file_path.h"
@@ skipping 149 matching lines @@
 
 TEST_F(PowerPrefsTest, LoginScreen) {
   // Set up login profile.
   scoped_ptr<TestingPrefServiceSyncable> login_profile_prefs(
       new TestingPrefServiceSyncable);
   chrome::RegisterLoginProfilePrefs(login_profile_prefs->registry());
   TestingProfile::Builder builder;
   builder.SetPath(
       profile_manager_.profiles_dir().AppendASCII(chrome::kInitialProfile));
   builder.SetPrefService(login_profile_prefs.PassAs<PrefServiceSyncable>());
-  builder.SetIncognito();
-  scoped_ptr<TestingProfile> login_profile_owner(builder.Build());
-
-  TestingProfile* login_profile = login_profile_owner.get();
-  TestingProfile* login_profile_parent = profile_manager_.CreateTestingProfile(
-      chrome::kInitialProfile);
-  login_profile_parent->SetOffTheRecordProfile(
-      login_profile_owner.PassAs<Profile>());
-  login_profile->SetOriginalProfile(login_profile_parent);
+  TestingProfile* login_profile = builder.BuildIncognito(
+      profile_manager_.CreateTestingProfile(chrome::kInitialProfile));
 
   // Inform power_prefs_ that the login screen is being shown.
   power_prefs_->Observe(chrome::NOTIFICATION_LOGIN_OR_LOCK_WEBUI_VISIBLE,
                         content::Source<PowerPrefsTest>(this),
                         content::NotificationService::NoDetails());
 
   EXPECT_EQ(login_profile, GetProfile());
   EXPECT_EQ(GetExpectedPowerPolicyForProfile(login_profile),
             GetCurrentPowerPolicy());
   EXPECT_EQ(GetExpectedAllowScreenWakeLocksForProfile(login_profile),
@@ skipping 85 matching lines @@
                         content::Source<Profile>(user_profile),
                         content::NotificationService::NoDetails());
 
   // The user profile's prefs should still be used.
   EXPECT_FALSE(GetProfile());
   EXPECT_EQ(GetExpectedPowerPolicyForProfile(user_profile),
             GetCurrentPowerPolicy());
 }
 
 }  // namespace chromeos