Take extensions out of Profile into a profile-keyed service, ExtensionSystem.

chrome/browser/profiles/profile_io_data.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/profile_io_data.h"
 
 #include <string>
 
 #include "base/basictypes.h"
 #include "base/bind.h"
 #include "base/bind_helpers.h"
 #include "base/command_line.h"
 #include "base/compiler_specific.h"
 #include "base/logging.h"
 #include "base/stl_util.h"
 #include "base/string_number_conversions.h"
 #include "base/string_util.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/custom_handlers/protocol_handler_registry.h"
 #include "chrome/browser/download/download_service.h"
 #include "chrome/browser/download/download_service_factory.h"
 #include "chrome/browser/extensions/extension_info_map.h"
 #include "chrome/browser/extensions/extension_protocols.h"
+#include "chrome/browser/extensions/extension_system.h"
+#include "chrome/browser/extensions/extension_system_factory.h"
 #include "chrome/browser/io_thread.h"
 #include "chrome/browser/media/media_internals.h"
 #include "chrome/browser/net/chrome_cookie_notification_details.h"
 #include "chrome/browser/net/chrome_fraudulent_certificate_reporter.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/net/chrome_network_delegate.h"
 #include "chrome/browser/net/proxy_service_factory.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
 #include "chrome/browser/policy/url_blacklist_manager.h"
 #include "chrome/browser/prefs/pref_service.h"
@@ skipping 179 matching lines @@
   params->io_thread = g_browser_process->io_thread();
 
   params->host_content_settings_map = profile->GetHostContentSettingsMap();
   params->cookie_settings = CookieSettings::Factory::GetForProfile(profile);
   params->ssl_config_service = profile->GetSSLConfigService();
   base::Callback<Profile*(void)> profile_getter =
       base::Bind(&GetProfileOnUI, g_browser_process->profile_manager(),
                  profile);
   params->cookie_monster_delegate =
       new ChromeCookieMonsterDelegate(profile_getter);
-  params->extension_info_map = profile->GetExtensionInfoMap();
+  params->extension_info_map =
+      ExtensionSystemFactory::GetForProfile(profile)->info_map();
 
 #if defined(ENABLE_NOTIFICATIONS)
   params->notification_service =
       DesktopNotificationServiceFactory::GetForProfile(profile);
 #endif
 
   params->protocol_handler_registry = profile->GetProtocolHandlerRegistry();
 
   ChromeProxyConfigService* proxy_config_service =
       ProxyServiceFactory::CreateProxyConfigService(true);
@@ skipping 322 matching lines @@
           &resource_context_));
   bool posted = BrowserThread::DeleteSoon(BrowserThread::IO, FROM_HERE, this);
   if (!posted)
     delete this;
 }
 
 void ProfileIOData::set_origin_bound_cert_service(
     net::OriginBoundCertService* origin_bound_cert_service) const {
   origin_bound_cert_service_.reset(origin_bound_cert_service);
 }