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

chrome/browser/extensions/tab_helper.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/tab_helper.h"
 
 #include "chrome/browser/extensions/activity_log/activity_log.h"
 #include "chrome/browser/extensions/api/declarative/rules_registry_service.h"
 #include "chrome/browser/extensions/api/declarative_content/content_rules_registry.h"
 #include "chrome/browser/extensions/crx_installer.h"
@@ skipping 194 matching lines @@
       Profile::FromBrowserContext(web_contents()->GetBrowserContext());
   ExtensionService* service = profile->GetExtensionService();
   if (!service)
     return;
 
   ExtensionActionManager* extension_action_manager =
       ExtensionActionManager::Get(profile);
   for (ExtensionSet::const_iterator it = service->extensions()->begin();
        it != service->extensions()->end(); ++it) {
     ExtensionAction* browser_action =
-        extension_action_manager->GetBrowserAction(**it);
+        extension_action_manager->GetBrowserAction(*it->get());
     if (browser_action) {
       browser_action->ClearAllValuesForTab(SessionID::IdForTab(web_contents()));
       content::NotificationService::current()->Notify(
           chrome::NOTIFICATION_EXTENSION_BROWSER_ACTION_UPDATED,
           content::Source<ExtensionAction>(browser_action),
           content::NotificationService::NoDetails());
     }
   }
 }
 
@@ skipping 233 matching lines @@
   }
 }
 
 void TabHelper::SetTabId(RenderViewHost* render_view_host) {
   render_view_host->Send(
       new ExtensionMsg_SetTabId(render_view_host->GetRoutingID(),
                                 SessionID::IdForTab(web_contents())));
 }
 
 }  // namespace extensions