Fix for Bug 50726 "Save extension list and "winning" prefs from extensions"

chrome/browser/profiles/profile_impl.h

Index: chrome/browser/profiles/profile_impl.h
diff --git a/chrome/browser/profiles/profile_impl.h b/chrome/browser/profiles/profile_impl.h
index d1a2d1ed6419239407079b2f4c47f7aeb429bb2a..ea84e4739d358a65426c7782f3d4c11fd194b996 100644
--- a/chrome/browser/profiles/profile_impl.h
+++ b/chrome/browser/profiles/profile_impl.h
@@ -18,6 +18,7 @@
 #include "chrome/common/notification_observer.h"
 #include "chrome/common/notification_registrar.h"
 
+class ExtensionPrefs;
 class PrefService;
 
 #if defined(OS_CHROMEOS)
@@ -169,8 +170,13 @@ class ProfileImpl : public Profile,
 
   FilePath path_;
   FilePath base_cache_path_;
+  scoped_ptr<PrefService> prefs_;  // Keep this on top for destruction order
+                                   // because many other class members depend
+                                   // on it. (Please remove comment if you are
+                                   // certain that we don't have an issue here.)
   scoped_ptr<VisitedLinkEventListener> visited_link_event_listener_;
   scoped_ptr<VisitedLinkMaster> visited_link_master_;
+  scoped_ptr<ExtensionPrefs> extension_prefs_;
   scoped_refptr<ExtensionsService> extensions_service_;
   scoped_refptr<UserScriptMaster> user_script_master_;
   scoped_refptr<ExtensionDevToolsManager> extension_devtools_manager_;
@@ -183,7 +189,6 @@ class ProfileImpl : public Profile,
   scoped_refptr<TransportSecurityPersister>
       transport_security_persister_;
   scoped_ptr<policy::ProfilePolicyContext> profile_policy_context_;
-  scoped_ptr<PrefService> prefs_;
   scoped_ptr<NetPrefObserver> net_pref_observer_;
   scoped_ptr<TemplateURLFetcher> template_url_fetcher_;
   scoped_ptr<TemplateURLModel> template_url_model_;