Ensure incognito TestingProfiles are incognito for their whole lifetime.

chrome/browser/content_settings/content_settings_pref_provider_unittest.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/content_settings/content_settings_pref_provider.h"
 
 #include "base/auto_reset.h"
 #include "base/command_line.h"
 #include "base/memory/scoped_ptr.h"
 #include "base/message_loop/message_loop.h"
@@ skipping 140 matching lines @@
   PrefServiceSyncable* otr_prefs =
       otr_factory.CreateSyncable(otr_registry.get()).release();
 
   chrome::RegisterUserProfilePrefs(otr_registry.get());
 
   TestingProfile::Builder profile_builder;
   profile_builder.SetPrefService(make_scoped_ptr(regular_prefs));
   scoped_ptr<TestingProfile> profile = profile_builder.Build();
 
   TestingProfile::Builder otr_profile_builder;
-  otr_profile_builder.SetIncognito();
   otr_profile_builder.SetPrefService(make_scoped_ptr(otr_prefs));
-  scoped_ptr<TestingProfile> otr_profile(otr_profile_builder.Build());
-  profile->SetOffTheRecordProfile(otr_profile.PassAs<Profile>());
+  otr_profile_builder.BuildIncognito(profile.get());
 
   PrefProvider pref_content_settings_provider(regular_prefs, false);
   PrefProvider pref_content_settings_provider_incognito(otr_prefs, true);
   ContentSettingsPattern pattern =
       ContentSettingsPattern::FromString("[*.]example.com");
   pref_content_settings_provider.SetWebsiteSetting(
       pattern,
       pattern,
       CONTENT_SETTINGS_TYPE_IMAGES,
       std::string(),
@@ skipping 297 matching lines @@
   base::Time second = pref_content_settings_provider.GetLastUsage(
       pattern, pattern, CONTENT_SETTINGS_TYPE_GEOLOCATION);
 
   base::TimeDelta delta = second - first;
   EXPECT_EQ(delta.InSeconds(), 10);
 
   pref_content_settings_provider.ShutdownOnUIThread();
 }
 
 }  // namespace content_settings