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

chrome/browser/chrome_content_browser_client.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/chrome_content_browser_client.h"
 
 #include <set>
 #include <utility>
 #include <vector>
 
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/utf_string_conversions.h"
 #include "chrome/app/breakpad_mac.h"
 #include "chrome/browser/browser_about_handler.h"
 #include "chrome/browser/browser_process.h"
 #include "chrome/browser/browsing_data_remover.h"
 #include "chrome/browser/character_encoding.h"
 #include "chrome/browser/chrome_benchmarking_message_filter.h"
 #include "chrome/browser/chrome_quota_permission_context.h"
 #include "chrome/browser/content_settings/content_settings_utils.h"
 #include "chrome/browser/content_settings/cookie_settings.h"
 #include "chrome/browser/content_settings/host_content_settings_map.h"
 #include "chrome/browser/content_settings/tab_specific_content_settings.h"
 #include "chrome/browser/download/download_util.h"
 #include "chrome/browser/extensions/api/webrequest/webrequest_api.h"
 #include "chrome/browser/extensions/extension_info_map.h"
 #include "chrome/browser/extensions/extension_message_handler.h"
 #include "chrome/browser/extensions/extension_service.h"
+#include "chrome/browser/extensions/extension_system.h"
+#include "chrome/browser/extensions/extension_system_factory.h"
 #include "chrome/browser/extensions/extension_web_ui.h"
 #include "chrome/browser/extensions/extension_webkit_preferences.h"
 #include "chrome/browser/geolocation/chrome_access_token_store.h"
 #include "chrome/browser/google/google_util.h"
 #include "chrome/browser/net/chrome_net_log.h"
 #include "chrome/browser/notifications/desktop_notification_service.h"
 #include "chrome/browser/notifications/desktop_notification_service_factory.h"
 #include "chrome/browser/platform_util.h"
 #include "chrome/browser/prefs/pref_service.h"
 #include "chrome/browser/prefs/scoped_user_pref_update.h"
@@ skipping 450 matching lines @@
           site_instance->GetSite()));
   if (!extension)
     return;
 
   service->process_map()->Insert(extension->id(),
                                  site_instance->GetProcess()->GetID(),
                                  site_instance->GetId());
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&ExtensionInfoMap::RegisterExtensionProcess,
-                 profile->GetExtensionInfoMap(),
+                 ExtensionSystemFactory::GetForProfile(profile)->info_map(),
                  extension->id(),
                  site_instance->GetProcess()->GetID(),
                  site_instance->GetId()));
 }
 
 void ChromeContentBrowserClient::SiteInstanceDeleting(
     SiteInstance* site_instance) {
   if (!site_instance->HasProcess())
     return;
 
   Profile* profile = Profile::FromBrowserContext(
       site_instance->GetBrowserContext());
   ExtensionService* service = profile->GetExtensionService();
   if (!service)
     return;
 
   const Extension* extension =
       service->extensions()->GetExtensionOrAppByURL(
           ExtensionURLInfo(site_instance->GetSite()));
   if (!extension)
     return;
 
   service->process_map()->Remove(extension->id(),
                                  site_instance->GetProcess()->GetID(),
                                  site_instance->GetId());
   BrowserThread::PostTask(
       BrowserThread::IO, FROM_HERE,
       base::Bind(&ExtensionInfoMap::UnregisterExtensionProcess,
-                 profile->GetExtensionInfoMap(),
+                 ExtensionSystemFactory::GetForProfile(profile)->info_map(),
                  extension->id(),
                  site_instance->GetProcess()->GetID(),
                  site_instance->GetId()));
 }
 
 bool ChromeContentBrowserClient::ShouldSwapProcessesForNavigation(
     const GURL& current_url,
     const GURL& new_url) {
   if (current_url.is_empty()) {
     // Always choose a new process when navigating to extension URLs. The
@@ skipping 789 matching lines @@
 #if defined(USE_NSS)
 crypto::CryptoModuleBlockingPasswordDelegate*
     ChromeContentBrowserClient::GetCryptoPasswordDelegate(
         const GURL& url) {
   return browser::NewCryptoModuleBlockingDialogDelegate(
       browser::kCryptoModulePasswordKeygen, url.host());
 }
 #endif
 
 }  // namespace chrome