ExtensionSystem cleanup part 3

chrome/browser/custom_handlers/protocol_handler_registry_factory.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/custom_handlers/protocol_handler_registry_factory.h"
 
 #include "base/memory/singleton.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
-#include "chrome/browser/extensions/extension_system_factory.h"
 #include "chrome/browser/profiles/incognito_helpers.h"
 #include "chrome/browser/profiles/profile.h"
 #include "components/browser_context_keyed_service/browser_context_dependency_manager.h"
 
 // static
 ProtocolHandlerRegistryFactory* ProtocolHandlerRegistryFactory::GetInstance() {
   return Singleton<ProtocolHandlerRegistryFactory>::get();
 }
 
 // static
@@ skipping 43 matching lines @@
   // If installing defaults, they must be installed prior calling
   // InitProtocolSettings
   registry->InstallDefaultsForChromeOS();
 #endif
 
   // Must be called as a part of the creation process.
   registry->InitProtocolSettings();
 
   return registry;
 }