Guest session operates irrespective of IncognitoModePrefs

chrome/browser/profiles/off_the_record_profile_impl.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/profiles/off_the_record_profile_impl.h"
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/files/file_path.h"
@@ skipping 106 matching lines @@
 #if defined(ENABLE_CONFIGURATION_POLICY) && !defined(OS_CHROMEOS)
   // Because UserCloudPolicyManager is in a component, it cannot access
   // GetOriginalProfile. Instead, we have to inject this relation here.
   policy::UserCloudPolicyManagerFactory::RegisterForOffTheRecordBrowserContext(
       this->GetOriginalProfile(), this);
 #endif
 
   BrowserContextDependencyManager::GetInstance()->CreateBrowserContextServices(
       this);
 
-  DCHECK_NE(IncognitoModePrefs::DISABLED,
-            IncognitoModePrefs::GetAvailability(profile_->GetPrefs()));
+  // Guest profiles may always be OTR. Check IncognitoModePrefs otherwise.
+  DCHECK(profile_->IsGuestSession() ||
+         IncognitoModePrefs::GetAvailability(profile_->GetPrefs()) !=
+             IncognitoModePrefs::DISABLED);
 
 #if defined(OS_ANDROID) || defined(OS_IOS)
   UseSystemProxy();
 #endif  // defined(OS_ANDROID) || defined(OS_IOS)
 
   // TODO(oshima): Remove the need to eagerly initialize the request context
   // getter. chromeos::OnlineAttempt is illegally trying to access this
   // Profile member from a thread other than the UI thread, so we need to
   // prevent a race.
 #if defined(OS_CHROMEOS)
@@ skipping 392 matching lines @@
 PrefProxyConfigTracker* OffTheRecordProfileImpl::CreateProxyConfigTracker() {
 #if defined(OS_CHROMEOS)
   if (chromeos::ProfileHelper::IsSigninProfile(this)) {
     return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfLocalState(
         g_browser_process->local_state());
   }
 #endif  // defined(OS_CHROMEOS)
   return ProxyServiceFactory::CreatePrefProxyConfigTrackerOfProfile(
       GetPrefs(), g_browser_process->local_state());
 }