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

chrome/browser/extensions/user_script_listener.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/user_script_listener.h"
 
 #include "base/bind.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/profiles/profile.h"
 #include "chrome/common/chrome_notification_types.h"
@@ skipping 213 matching lines @@
       const Extension* unloaded_extension =
           content::Details<UnloadedExtensionInfo>(details)->extension;
       if (ContentScriptsInfo::GetContentScripts(unloaded_extension).empty())
         return;  // no patterns to delete for this extension.
 
       // Clear all our patterns and reregister all the still-loaded extensions.
       URLPatterns new_patterns;
       ExtensionService* service = profile->GetExtensionService();
       for (ExtensionSet::const_iterator it = service->extensions()->begin();
            it != service->extensions()->end(); ++it) {
-        if (*it != unloaded_extension)
-          CollectURLPatterns(*it, &new_patterns);
+        if (it->get() != unloaded_extension)
+          CollectURLPatterns(it->get(), &new_patterns);
       }
       BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, base::Bind(
           &UserScriptListener::ReplaceURLPatterns, this,
           profile, new_patterns));
       break;
     }
 
     case chrome::NOTIFICATION_USER_SCRIPTS_UPDATED: {
       Profile* profile = content::Source<Profile>(source).ptr();
       BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, base::Bind(
           &UserScriptListener::UserScriptsReady, this, profile));
       break;
     }
 
     case chrome::NOTIFICATION_PROFILE_DESTROYED: {
       Profile* profile = content::Source<Profile>(source).ptr();
       BrowserThread::PostTask(BrowserThread::IO, FROM_HERE, base::Bind(
           &UserScriptListener::ProfileDestroyed, this, profile));
       break;
     }
 
     default:
       NOTREACHED();
   }
 }
 
 }  // namespace extensions