Call scoped_refptr<T>::get() rather than relying on implicit "operator T*"

chrome/browser/extensions/extension_toolbar_model.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/extensions/extension_toolbar_model.h"
 
 #include "base/prefs/pref_service.h"
 #include "chrome/browser/extensions/api/extension_action/extension_action_api.h"
 #include "chrome/browser/extensions/browser_event_router.h"
 #include "chrome/browser/extensions/extension_action.h"
@@ skipping 316 matching lines @@
   sorted.resize(positions.size(), NULL);
   // The items that don't have explicit positions.
   ExtensionList unsorted;
 
   extensions::ExtensionActionManager* extension_action_manager =
       extensions::ExtensionActionManager::Get(service_->profile());
 
   // Create the lists.
   for (ExtensionSet::const_iterator it = service_->extensions()->begin();
        it != service_->extensions()->end(); ++it) {
-    const Extension* extension = *it;
+    const Extension* extension = it->get();
     if (!extension_action_manager->GetBrowserAction(*extension))
       continue;
     if (!extensions::ExtensionActionAPI::GetBrowserActionVisibility(
             service_->extension_prefs(), extension->id())) {
       continue;
     }
 
     extensions::ExtensionIdList::const_iterator pos =
         std::find(positions.begin(), positions.end(), extension->id());
     if (pos != positions.end())
@@ skipping 104 matching lines @@
 
   if (last_known_positions_.size() > pref_position_size) {
     // Need to update pref because we have extra icons. But can't call
     // UpdatePrefs() directly within observation closure.
     base::MessageLoop::current()->PostTask(
         FROM_HERE,
         base::Bind(&ExtensionToolbarModel::UpdatePrefs,
                    weak_ptr_factory_.GetWeakPtr()));
   }
 }