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

chrome/browser/extensions/updater/extension_updater.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/updater/extension_updater.h"
 
 #include <algorithm>
 #include <set>
 #include <vector>
 
@@ skipping 284 matching lines @@
   will_check_soon_ = false;
 }
 
 void ExtensionUpdater::AddToDownloader(
     const ExtensionSet* extensions,
     const std::list<std::string>& pending_ids,
     int request_id) {
   InProgressCheck& request = requests_in_progress_[request_id];
   for (ExtensionSet::const_iterator extension_iter = extensions->begin();
        extension_iter != extensions->end(); ++extension_iter) {
-    const Extension& extension = **extension_iter;
+    const Extension& extension = *extension_iter->get();
     if (!Manifest::IsAutoUpdateableLocation(extension.location())) {
       VLOG(2) << "Extension " << extension.id() << " is not auto updateable";
       continue;
     }
     // An extension might be overwritten by policy, and have its update url
     // changed. Make sure existing extensions aren't fetched again, if a
     // pending fetch for an extension with the same id already exists.
     std::list<std::string>::const_iterator pending_id_iter = std::find(
         pending_ids.begin(), pending_ids.end(), extension.id());
     if (pending_id_iter == pending_ids.end()) {
@@ skipping 372 matching lines @@
   const InProgressCheck& request = requests_in_progress_[request_id];
   if (request.in_progress_ids_.empty()) {
     VLOG(2) << "Finished update check " << request_id;
     if (!request.callback.is_null())
       request.callback.Run();
     requests_in_progress_.erase(request_id);
   }
 }
 
 }  // namespace extensions