Changing the Weakptr initialization order in chrome/browser/extension folder

chrome/browser/extensions/user_script_loader.cc

 // Copyright 2014 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/extensions/user_script_loader.h"
 
 #include <set>
 #include <string>
 
 #include "base/bind.h"
@@ skipping 334 matching lines @@
 
 UserScriptLoader::UserScriptLoader(Profile* profile,
                                    const ExtensionId& owner_extension_id,
                                    bool listen_for_extension_system_loaded)
     : user_scripts_(new UserScriptList()),
       clear_scripts_(false),
       extension_system_ready_(false),
       pending_load_(false),
       profile_(profile),
       owner_extension_id_(owner_extension_id),
-      weak_factory_(this),
-      extension_registry_observer_(this) {
+      extension_registry_observer_(this),
+      weak_factory_(this) {
   extension_registry_observer_.Add(ExtensionRegistry::Get(profile));
   if (listen_for_extension_system_loaded) {
     ExtensionSystem::Get(profile_)->ready().Post(
         FROM_HERE,
         base::Bind(&UserScriptLoader::OnExtensionSystemReady,
                    weak_factory_.GetWeakPtr()));
   } else {
     extension_system_ready_ = true;
   }
   registrar_.Add(this,
@@ skipping 228 matching lines @@
       // which leads to the above lookup failing. In this case, just continue.
       if (!extension)
         continue;
       extensions_info_[*it] = ExtensionSet::ExtensionPathAndDefaultLocale(
           extension->path(), LocaleInfo::GetDefaultLocale(extension));
     }
   }
 }
 
 }  // namespace extensions