Revert "Revert 202751 "Change RulesRegistryService to use ProfileKeyedAPI.""

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 79 matching lines @@
       zoom_callback_(base::Bind(&OffTheRecordProfileImpl::OnZoomLevelChanged,
                                 base::Unretained(this))) {
   // Register on BrowserContext.
   components::UserPrefs::Set(this, prefs_);
 }
 
 void OffTheRecordProfileImpl::Init() {
   BrowserContextDependencyManager::GetInstance()->CreateBrowserContextServices(
       this, false);
 
-  extensions::ExtensionSystem::Get(this)->InitForOTRProfile();
-
   DCHECK_NE(IncognitoModePrefs::DISABLED,
             IncognitoModePrefs::GetAvailability(profile_->GetPrefs()));
 
 #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
@@ skipping 351 matching lines @@
     case HostZoomMap::ZOOM_CHANGED_FOR_HOST:
        host_zoom_map->SetZoomLevelForHost(change.host, change.zoom_level);
        return;
     case HostZoomMap::ZOOM_CHANGED_FOR_SCHEME_AND_HOST:
        host_zoom_map->SetZoomLevelForHostAndScheme(change.scheme,
            change.host,
            change.zoom_level);
        return;
   }
 }